1. Cyhoeddwyd

   Perceptions and experiences of healthcare professionals of implementing the Organ Donation (Deemed Consent) Act in England during the Covid-19 pandemic

   Al-Haboubi, M., McLaughlin, L., Williams, L., Noyes, J., O'Neill, S., Boadu, P., Bostock, J. & Mays, N., 31 Ion 2025, Yn: BMC Health Services Research. 25, 1, t. 183

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

2. Cyhoeddwyd

   Gender differences in the context of interventions for improving health literacy in migrants: a qualitative evidence synthesis

   Aldin, A., Baumeister, A., Chakraverty, D., Monsef, I., Noyes, J., Kalbe, E., Woopen, C. & Skoetz, N., 12 Rhag 2024, Yn: Cochrane Database of Systematic Reviews. 12, 12, t. CD013302

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid

3. Cyhoeddwyd

   Do Cochrane summaries help student midwives understand the findings of Cochrane systematic reviews: the BRIEF randomised trial

   Alerdice, F., MccNeill, J., Lasserson, T., Beller, E., Carroll, M., Sunderland, J., Devane, D., Noyes, J., Key, S., Norris, S., Wyn-Davies, J. & Clarke, M., 1 Maw 2016, Yn: Systematic Reviews. 4, 40

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

4. Cyhoeddwyd

   Assessing qualitative data richness and thickness: Development of an evidence-based tool for use in qualitative evidence synthesis

   Ames, H., Cooper, S., France, E., Silveira Bianchim, M., Lewin, S., Schmidt, B.-M., Uny, I. & Noyes, J., Gorff 2024, Yn: Cochrane Evidence Synthesis and Methods. 2, 7, e12059.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

5. Cyhoeddwyd

   Investigating complexity in systematic reviews of interventions by using a spectrum of methods

   Anderson, L. M., Oliver, S. R., Michie, S., Rehfuess, E., Noyes, J. & Shemilt, I., Tach 2013, Yn: Journal of Clinical Epidemiology. 66, 11, t. 1223-9 7 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

6. Cyhoeddwyd

   The clinical and cost-effectiveness of interventions for preventing continence issues resulting from birth trauma: a rapid review

   Anthony, B., Davies, J., Pisavadia, K., Roberts, S., Spencer, L. H., Gillen, E., Hounsome, J., Noyes, J., Hughes, D., Fitzsimmons, D., Edwards, R. T., Edwards, A., Cooper, A. & Lewis, R., 9 Medi 2024, MedRxiv.

   Allbwn ymchwil: Papur gweithio › Rhagargraffiad

7. Cyhoeddwyd

   Intervention Now to Eliminate Repeat Unintended Pregnancy in Teenagers (INTERUPT): a systematic review of intervention effectiveness and cost-effectiveness, and qualitative and realist synthesis of implementation factors and user engagement

   Aslam, R. W., Hendry, M., Booth, A., Carter, B., Charles, J. M., Craine, N., Edwards, R. T., Noyes, J., Ntambwe, L. I., Pasterfield, D., Rycroft-Malone, J., Williams, N. & Whitaker, R., 15 Awst 2017, Yn: BMC Medicine. 15, 1, t. 155

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

8. Cyhoeddwyd

   The IN-FAKT study protocol: INvestigating the experiences and management of individuals with FAiling Kidney Transplants

   Bailey, P., Selman, L., Exley, C., Griffin, S., Hancock, A., Maxted, P. & Noyes, J., 2023, Yn: International Journal of Qualitative Methods. 22, 8 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

9. Cyhoeddwyd

   Understanding parent experiences of end-of-life care for children: a systematic review and qualitative evidence synthesis: A systematic review and qualitative evidence synthesis

   Barrett, L., Fraser, L., Noyes, J., Taylor, J. & Hackett, J., Chwef 2023, Yn: Palliative Medicine. 37, 2, t. 178-202 25 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid

10. Cyhoeddwyd

    Consultant-led UK paediatric palliative care services: professional configuration, services, funding: professional configuration, services, funding

    Bedendo, A., Hinde, S., Beresford, B., Papworth, A., Phillips, B., Vasudevan, C., McLorie, E., Walker, G., Peat, G., Weatherly, H., Feltbower, R., Hewitt, C., Haynes, A., Murtagh, F., Noyes, J., Hackett, J., Hain, R., Oddie, S., Subramanian, G. & Fraser, L., 30 Ebr 2024, Yn: BMJ Supportive and Palliative Care. 14, e1, t. e554-e557

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

11. E-gyhoeddi cyn argraffu

    End of life care in paediatric settings: UK national survey

    Bedendo, A., Papworth, A., Beresford, B., Phillips, B., Vasudevan, C., Lake Walker, G., Weatherly, H., Feltbower, R., Hinde, S., Hewitt, C. E., Murtagh, F., Noyes, J., Hackett, J., Hain, R., Oddie, S., Subramanian, G., Haynes, A. & Fraser, L., 28 Tach 2024, (E-gyhoeddi cyn argraffu) Yn: BMJ Supportive and Palliative Care.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

12. Cyhoeddwyd

    Synthesis of health promotion concepts in children's palliative care

    Bennett, V., Hain, R., Pritchard, A. & Noyes, J., 17 Rhag 2021, Yn: International Journal of Palliative Nursing. 27, 10, t. 490-503 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

13. Cyhoeddwyd

    Promoting high quality research with life-limited children and their families: Establishment of a joint research group between Together for Short Lives and the Association for Paediatric Palliative Medicine

    Bluebond-Langner, M., Chambers, L., Lapwood, S. & Noyes, J., Chwef 2017, Yn: Journal of Advanced Nursing. 73, 2, t. 283-285 3 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Golygyddiad

14. Cyhoeddwyd

    A machine-learning approach to estimating public intentions to become a living kidney donor in England: Evidence from repeated cross-sectional survey data

    Boadu, P., McLaughlin, L., Al-Haboubi, M., Bostock, J., Noyes, J., O'Neill, S. & Mays, N., 4 Ion 2023, Yn: Frontiers in Public Health. 10, 1052338.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

15. Cyhoeddwyd

    Subgroup differences in public attitudes, preferences and self-reported behaviour related to deceased organ donation before and after the introduction of the 'soft' opt-out consent system in England: mixed-methods study

    Boadu, P., McLaughlin, L., Noyes, J., O'Neill, S., Al-Haboubi, M., Williams, L., Bostock, J. & Mays, N., 21 Tach 2024, Yn: BMC Health Services Research. 24, 1, t. 1447

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

16. Cyhoeddwyd

    Public attitudes, preferences and self-reported behaviour, related to deceased organ donation before and after the introduction of the ‘soft opt out’ consent system in England: Implications for ethnic minority donation

    Boadu, P., McLaughlin, L., Noyes, J., Al-Haboubi, M. & Williams, L., 8 Rhag 2023.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur › adolygiad gan gymheiriaid

17. Cyhoeddwyd

    Structured methodology review identified seven (RETREAT) criteria for selecting qualitative evidence synthesis approaches

    Booth, A., Noyes, J., Flemming, K., Gehardus, A., Wahlster, P., Jan van der Wilt, G., Mozygemba, K., Refolo, P., Sacchini, D., Tummers, M. & Rehfuess, E., Gorff 2018, Yn: Journal of Clinical Epidemiology. 99, t. 41-52

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid

18. Cyhoeddwyd

    Rapid Reviews Methods Series: Guidance on Rapid Qualitative Evidence Synthesis

    Booth, A., Sommer, I., Noyes, J., Houghton, C. & Campbell, F., 22 Mai 2024, Yn: BMJ Evidence Based Medicine. 29, 3, t. 194-200 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

19. Formulating questions to explore complex interventions within qualitative evidence synthesis

    Booth, A., Noyes, J., Flemming, K., Moore, G., Tunçalp, Ö. & Shakibazadeh, E., 25 Ion 2019, Yn: BMJ Global Health. 4, Suppl 1, t. e001107

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

20. Cyhoeddwyd

    Applying GRADE-CERQual to qualitative evidence synthesis findings-paper 7: understanding the potential impacts of dissemination bias

    Booth, A., Lewin, S., Glenton, C., Munthe-Kaas, H., Toews, I., Noyes, J., Rashidian, A., Berg, R. C., Nyakang'o, B., Meerpohl, J. J. & GRADE-CERQual Coordinating Team, 25 Ion 2018, Yn: Implementation Science. 13, Suppl 1, t. 12

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

21. Taking account of context in systematic reviews and guidelines considering a complexity perspective

    Booth, A., Moore, G., Flemming, K., Garside, R., Rollins, N., Tunçalp, Ö. & Noyes, J., 25 Ion 2019, Yn: BMJ Global Health. 4, Suppl 1, t. e000840

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

22. Cyhoeddwyd

    Wheelchair interventions, services and provision for disabled children: a mixed-method systematic review and conceptual framework

    Bray, N. J., Bray, N., Noyes, J., Edwards, R. T. & Harris, N., 17 Gorff 2014, Yn: BMC Health Services Research. 14, 309

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

23. Cyhoeddwyd

    Defining health-related quality of life for young wheelchair users: A qualitative health economics study

    Bray, N., Noyes, J., Harris, N. & Edwards, R. T., 15 Meh 2017, Yn: PLoS ONE. 12, 6, t. e0179269

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

24. Cyhoeddwyd

    Prioritising wheelchair services for children: a pilot discrete choice experiment to understand how child wheelchair users and their parents prioritise different attributes of wheelchair services

    Bray, N., Yeo, S. T., Noyes, J., Harris, N. & Edwards, R. T., 19 Gorff 2016, Yn: Pilot and Feasibility Studies. 2, 32, 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

25. Cyhoeddwyd

    Prioritizing Wheelchair Services: A Pilot Discrete Choice Experiment To Understand How Young Wheelchair Users And Their Parents Prioritize Different Attributes Of Wheelchair Services

    Bray, N., Noyes, J., Edwards, R. T. & Harris, N., 5 Meh 2014.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

26. Cyhoeddwyd

    Conceptualizations of wheelchair using children about their health and quality of life compared with generic measures of utility: A Qualitative health economics study

    Bray, N., Noyes, J., Edwards, R. T. & Harris, N., 14 Meh 2015.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

27. Cyhoeddwyd

    Measuring the health-related quality of life of children with impaired mobility: examining correlation and agreement between children and parent proxies

    Bray, N., Noyes, J., Harris, N. & Edwards, R. T., 10 Awst 2017, Yn: BMC Research Notes. 10, 1, t. 377

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

28. Cyhoeddwyd

    More Than Mobility: A Mixed-Method Systematic Review Of Wheelchair Interventions For Children And Young People With Disabilities

    Bray, N., Noyes, J., Edwards, R. T. & Harris, N., 15 Meh 2014.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

29. Cyhoeddwyd

    Powered mobility interventions for very young children with mobility limitations to aid participation and positive development: the EMPoWER evidence synthesis

    Bray, N., Kolehmainen, N., McAnuff, J., Tanner, L., Tuersley, L., Beyer, F., Grayston, A., Wilson, D., Edwards, R. T., Noyes, J. & Craig, D., 1 Hyd 2020, Yn: Health Technology Assessment. 24, 50, t. 1-+ 194 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

30. Cyhoeddwyd

    A Framework for Synthesizing Intervention Evidence from Multiple Sources Into a Single Certainty of Evidence Rating: Methodological Developments from a US National Academies of Sciences, Engineering, and Medicine committee

    Calonge, B., Shekelle, G. P., Owens, D. K., Teutsch, M. S., Downey, A., Brown, L. & Noyes, J., Ion 2023, Yn: Research synthesis methods. 14, 1, t. 36-51 16 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

31. Cyhoeddwyd

    Evidence-Based Practice for Public Health Emergency Preparedness and Response

    Calonge, B., Abramson, D. M., Casani, J., Eisenman, D., Garcia, F., Halverson, P., Hennessy, S., Hsu, E., Hupert, N., Maynard, R. A., McKinney, S., Noyes, J., Owens, D. K., Quinn, S., Shekelle, P., Stergachis, A., Stripling, M., Teutsch, S. M., Goodwin Veenema, T., Wynia, M. & Abir, M., 2020, Washington DC: National Academies of Sciences, Engineering, and Medicine. 650 t.

    Allbwn ymchwil: Llyfr/Adroddiad › Adoddiad Arall › adolygiad gan gymheiriaid

32. Cyhoeddwyd

    Cochrane Qualitative and Implementation Methods Group guidance paper 4: methods for assessing evidence on intervention implementation

    Cargo, M., Harris, J., Pantoja, T., Booth, A., Harden, A., Hannes, K., Thomas, J., Flemming, K., Garside, R. & Noyes, J., Mai 2018, Yn: Journal of Clinical Epidemiology. 97, May, t. 59-69

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

33. Cyhoeddwyd

    Application of simplified Complexity Theory concepts for healthcare social systems to explain the implementation of evidence into practice

    Chandler, J., Rycroft-Malone, J., Hawkes, C. & Noyes, J., Chwef 2016, Yn: Journal of Advanced Nursing. 72, 2, t. 461-480

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

34. Cyhoeddwyd

    Intervention Now To Eliminate Repeat Unintended Pregnancy in Teenagers (INTERUPT): a systematic review of intervention effectiveness and cost-effectiveness, qualitative and realist synthesis of implementation factors and user engagement.

    Charles, J. M., Williams, N. H., Whitaker, R., Hendry, M., Booth, A., Carter, B., Charles, J., Craine, N., Edwards, R. T., Lyons, M., Noyes, J., Pasterfield, D., Rycroft-Malone, J. & Williams, N., 10 Ebr 2014, Yn: BMJ Open. 4, 4

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

35. Cyhoeddwyd

    What are the factors that determine treatment choices in patients with kidney failure: a retrospective cohort study using data linkage of routinely collected data in Wales

    Chess, J., Roberts, G., McLaughlin, L., Williams, G. & Noyes, J., 13 Chwef 2024, Yn: BMJ Open. 14, 2, t. e082386 e082386.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

36. Cyhoeddwyd

    The impact on parents of a child's admission to intensive care: integration of qualitative findings from a cross-sectional study

    Colville, G., Darkins, J., Hesketh, J., Bennett, V., Alcock, J. & Noyes, J., Ebr 2009, Yn: Intensive and Critical Care Nursing. 25, 2, t. 72-9 8 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

37. Cyhoeddwyd

    A systematic review of qualitative evidence on barriers and facilitators to the implementation of task-shifting in midwifery services

    Colvin, C. J., de Heer, J., Winterton, L., Mellenkamp, M., Glenton, C., Noyes, J., Lewin, S. & Rashidian, A., 1 Hyd 2013, Yn: Midwifery. 29, 10, t. 1211-1221

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

38. Cyhoeddwyd

    Applying GRADE-CERQual to qualitative evidence synthesis findings-paper 4: how to assess coherence

    Colvin, C. J., Garside, R., Wainwright, M., Munthe-Kaas, H., Glenton, C., Bohren, M. A., Carlsen, B., Tunçalp, Ö., Noyes, J., Booth, A., Rashidian, A., Flottorp, S. & Lewin, S., 25 Ion 2018, Yn: Implementation Science. 13, Suppl 1, t. 13

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

39. Cyhoeddwyd

    A Social Return on Investment Analysis of Patient-Reported Outcome Measures in Value-Based Healthcare

    Crane, E., Noyes, J., Silveira Bianchim, M., McLaughlin, L., Cahill, A., Roberts , G. & Stringer, C., 20 Chwef 2025, Yn: Journal of Patient Reported Outcomes. 9, 22.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

40. Cyhoeddwyd

    Developing a reporting guideline to improve meta-ethnography in health research: the eMERGe mixed-methods

    Cunningham, M., France, E. F., Ring, N., Uny, I., Duncan, E. A. S., Roberts, R. J., Jepson, R. G., Maxwell, M., Turley, R. L. & Noyes, J., Chwef 2019, Yn: Health Services and Delivery Research (HS&DR). 7, 4, 21 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

41. Cyhoeddwyd

    Why is transition between child and adult services a dangerous time for young people with chronic kidney disease? A mixed-method systematic review

    Dallimore, D., Neukirchinger, B. & Noyes, J., 2 Awst 2018, Yn: PLoS ONE. 13, 8, e0201098.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

42. Cyhoeddwyd

    Media content analysis of the introduction of a ‘soft opt-out’ system of organ donation in Wales 2015-17

    Dallimore, D., Noyes, J. & McLaughlin, L., Meh 2019, Yn: Health Expectations. 22, 3, t. 485-495 11 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

43. Cyhoeddwyd

    Potential value of systematic reviews of qualitative evidence in informing user-centered health and social care: findings from a descriptive overview

    Dalton, J., Booth, A., Noyes, J. & Sowden, A. J., Awst 2017, Yn: Journal of Clinical Epidemiology. 88, August, t. 37-46

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

44. Cyhoeddwyd

    Health-Related Disaster Communication and Social Media: Mixed-Method Systematic Review

    Eckert, S., Sopory, P., Day, A., Wilkins, L., Padgett, D., Novak, J., Noyes, J., Allen, T., Alexander, N., Vanderford, M. & Gamhewage, G., Rhag 2018, Yn: Health Communication. 33, 12, t. 1389-1400 12 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

45. Cyhoeddwyd

    An ongoing struggle: a mixed-method systematic review of interventions, barriers and facilitators to achieving optimal self-care by children and young people with Type 1 Diabetes in educational settings

    Edwards, D., Noyes, J., Lowes, L., Spencer, L. H. & Gregory, J. W., 12 Medi 2014, Yn: BMC Pediatrics. 14, 228, t. -

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

46. Cyhoeddwyd

    Care-experienced cHildren and young peoples Interventions to improve Mental health and wEll-being outcomes: Systematic review (CHIMES) protocol

    Evana, R., Boffey, M., MacDonald, S., Noyes, J., Melendez-Torres, G. J., Morgan, H. E., Trubey, R., Robling, M., Willis, S. & Wooders, C., 26 Ion 2021, Yn: BMJ Open. 11, 1, e042815.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

47. Cyhoeddwyd

    Interventions targeting the mental health and wellbeing of care-experienced children and young people in higher-income countries: Evidence map and systematic review

    Evans, R., MacDonald, S., Trubey, R., Noyes, J., Robling, M., Willis, S., Boffey, M., Wooders, C., Vinnicombe, S. & Melendez-Torres, G. J., 1 Gorff 2023, Yn: Systematic Reviews. 12, 1, 111.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

48. Cyhoeddwyd

    Interventions to improve mental health and well-being in care-experienced children and young people aged less than 25: the CHIMES systematic review

    Evans, R., MacDonald, S., Trubey, R., Noyes, J., Robling, M., Willis, S., Vinnicombe, S., Boffey, M., Wooders, C., El-Banna, A. & Melendez-Torres, G. J., 1 Rhag 2024, Yn: Public Health Research. 12, 14, t. 1-124 124 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

49. Cyhoeddwyd

    Analysis of content and online public responses to media articles that raise awareness of the opt-out system of consent to organ donation in England

    Faherty, G., Williams, L., Noyes, J., Mc Laughlin, L., Bostock, J. & Mays, N., 2022, Yn: Frontiers in Public Health. 10, t. 1067635

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid

50. Qualitative evidence synthesis for complex interventions and guideline development: clarification of the purpose, designs and relevant methods

    Flemming, K., Booth, A., Garside, R., Tunçalp, Ö. & Noyes, J., 25 Ion 2019, Yn: BMJ Global Health. 4, Suppl 1, t. e000882

    Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid