1. Erthygl › Ymchwil › Heb ei adolygu gan gymheiriaid
2. Cyhoeddwyd

   A review comparing the effectiveness of nurse led follow-up for cancer with conventional care

   Lewis, R. & Hendry, M., 17 Medi 2009, Yn: Nursing Times. 105, 37, t. 25-27 3 t.

   Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl

3. Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
4. Cyhoeddwyd

   A rapid and systematic review of the clinical effectiveness and cost-effectiveness of debriding agents in treating surgical wounds healing by secondary intention

   Lewis, R., Whiting, P., ter Riet, G., O'Meara, S. & Glanville, J., Mai 2001, Yn: Health Technology Assessment. 5, 14, 131 t.

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

5. Cyhoeddwyd

   A rapid review of innovations for attraction, recruitment and retention of social care workers, and exploration of factors influencing turnover within the UK context

   Edwards, D., Trigg, L., Carrier, J., Cooper, A., Csontos, J., Day, J., Gillen, E., Lewis, R. & Edwards, A., 1 Medi 2022, Yn: Journal of Long-Term Care. 2022, t. 205–221

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

6. Cyhoeddwyd

   A systematic review and meta-analysis of biological treatments targeting tumour necrosis factor α for sciatica

   Williams, N. H., Lewis, R., Din, N. U., Matar, H. E., Fitzsimmons, D., Phillips, C. J., Sutton, A., Burton, K., Hendry, M., Nafees, S. & Wilkinson, C., Medi 2013, Yn: European Spine Journal. 22, 9, t. 1921-35 15 t.

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

7. Cyhoeddwyd

   A systematic review of atypical antipsychotic drugs in schizophrenia

   Bagnall, A-M., Jones, L., Ginnelly, L., Lewis, R., Glanville, J., Gilbody, S., Davies, L., Torgerson, D. & Kleijnen, J., Meh 2003, Yn: Health Technology Assessment. 7, 13, 214 t.

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

8. Cyhoeddwyd

   A systematic review of cancer waiting time audits

   Lewis, R., Collins, R., Flynn, A., Dean, M. E., Myers, L., Wilson, P. & Eastwood, A., Chwef 2005, Yn: Quality and Safety in Health Care. 14, 1, t. 62-66

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

9. Cyhoeddwyd

   Activity Increase Despite Arthritis (AÏDA): design of a Phase II randomised controlled trial evaluating an active management booklet for hip and knee osteoarthritis [ISRCTN24554946]

   Williams, N., Amoakwa, E., Burton, K., Hendry, M., Belcher, J., Lewis, R., Hood, K., Jones, J. G., Bennett, P., Edwards, R. T., Neal, R., Andrew, G. & Wilkinson, C., 4 Medi 2009, Yn: BMC Family Practice. 10, 62, t. 1-9 62.

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

10. Cyhoeddwyd

    Activity Increase Despite Arthritis (AÏDA): phase II randomised controlled trial of an active management booklet for hip and knee osteoarthritis in primary care

    Williams, N. H., Amoakwa, E., Belcher, J., Edwards, R. T., Hassani, H., Hendry, M., Burton, K., Lewis, R., Hood, K., Jones, J., Bennett, P., Linck, P. G., Neal, R. D. & Wilkinson, C. E., 1 Awst 2011, Yn: British Journal of General Practice. 61, 589, t. e452-e458

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

11. Cyhoeddwyd

    Are women ready for the new cervical screening protocol in England? A systematic review and qualitative synthesis of views about human papillomavirus testing

    Hendry, M., Pasterfield, D., Lewis, R., Clements, A., Damery, S., Neal, R. D., Adke, R., Weller, D., Campbell, C., Patnick, J., Sasieni, P., Hurt, C., Wilson, S. & Wilkinson, C. E., 14 Gorff 2012, Yn: British Journal of Cancer. 107, t. 243-254

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

12. Cyhoeddwyd

    Cancer diagnostic tools to aid decision-making in primary care: mixed-methods systematic reviews and cost-effectiveness analysis

    Medina-Lara, A., Grigore, B., Lewis, R., Peters, J., Price, S., Londa, P., Robinson, S., Neal, R., Hamilton, W. & Spencer, A., Tach 2020, Yn: Health Technology Assessment. 24, 66, t. 1-332 332 t.

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

13. Cyhoeddwyd

    Comparative clinical effectiveness of management strategies for sciatica: Systematic review and network meta-analyses

    Lewis, R. A., Williams, N. H., Sutton, A. J., Burton, K., Din, N. U., Matar, H. E., Hendry, M., Phillips, C. J., Nafees, S., Fitzsimmons, D., Rickard, I. & Wilkinson, C., 1 Meh 2015, Yn: Spine Journal. 15, 6, t. 1461-77 17 t.

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

14. Cyhoeddwyd

    Cordotomy in mesothelioma-related pain: a systematic review

    France, B. D., Lewis, R. A., Sharma, M. L. & Poolman, M., 1 Maw 2014, Yn: BMJ Supportive and Palliative Care. 4, 1, t. 19-29

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

15. Cyhoeddwyd

    Cost-effectiveness of different strategies to manage patients with sciatica

    Fitzimmons, D., Phillips, C. J., Bennett, H., Jones, M., Williams, N. H., Lewis, R., Sutton, A., Matar, H. E., Din, N. U., Burton, K., Nafees, S., Hendry, M., Rickard, I. & Wilkinson, C. E., Gorff 2014, Yn: Pain. 155, 7, t. 1318-1327 10 t.

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

16. Cyhoeddwyd

    Decision analytic modelling methods for the assessing the effectiveness of treatment sequences for clinical and economic decision making: a methodological review

    Lewis, R., Hughes, D. & Wilkinson, C., 30 Tach 2017, Yn: Value in Health. 20, 9, t. A748 1 t.

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

17. Cyhoeddwyd

    Development of an intervention to expedite cancer diagnosis through primary care: a protocol

    Stanciu, M. A., Law, R-J., Nafees, S., Hendry, M., Yeo, S. T., Hiscock, J., Lewis, R., Edwards, R., Williams, N., Brain, K., Brocklehurst, P., Carson-Stevens, A., Dolwani, S., Emery, J., Hamilton, W., Hoare, Z., Lyratzopoulos, G., Rubin, G., Smits, S., Vedsted, P., Walter, F., Wilkinson, C. & Neal, R., Hyd 2018, Yn: British Journal of General Practice. 2, 3, bjgpopen18X101595.

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

18. Cyhoeddwyd

    Development, validation and effectiveness of diagnostic prediction tools for colorectal cancer in primary care: a systematic review

    Grigore, B., Lewis, R., Peters, J., Robinson, S. & Hyde, C. J., 10 Tach 2020, Yn: BMC Cancer. 20, 1, 1084.

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

19. Cyhoeddwyd

    Drug treatments for schizophrenia

    Adams, C., Wilson, P., Gilbody, S., Bagnall, A-M. & Lewis, R., 1 Maw 2000, Yn: Quality in Health Care. 9, t. 73-79

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

20. Cyhoeddwyd

    Effectiveness of exercise-referral schemes to promote physical activity in adults: systematic review

    Williams, N. H., Hendry, M., France, B., Lewis, R. & Wilkinson, C., Rhag 2007, Yn: British Journal of General Practice. 57, 545, t. 979-86 8 t.

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

21. Cyhoeddwyd

    Follow-up of cancer in primary care versus secondary care: systematic review

    Lewis, R. A., Neal, R. D., Williams, N. H., France, B., Hendry, M., Russell, D., Hughes, D. A., Russell, I., Stuart, N. S. A., Weller, D. & Wilkinson, C., 1 Gorff 2009, Yn: British Journal of General Practice. 59, 564, t. e234-e247

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

22. Health professionals’ attitudes towards evidence-based medicine and the role of the information professional in exploitation of the research evidenc

    Lewis, R. A., Urquhart, C. & Rollinson, J., 1 Hyd 1998, Yn: Journal of Information Science. 24, 5, t. 281-290

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

23. Cyhoeddwyd

    Impact of COVID-19 pandemic on incidence of long-term conditions in Wales: a population data linkage study using primary and secondary care health records

    Qi, C., Osborne, T., Bailey, R., Cooper, A., Hollinghurst, J., Akbari, A., Crowder, R., Peters, H., Law, R-J., Lewis, R., Smith, D., Walker, M., Edwards, A. & Lyons, R., Mai 2023, Yn: British Journal of General Practice. 73, 730, t. e332-e339

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

24. Improving the reporting of clinical audits in the NHS

    Collins, R., Lewis, R., Flynn, A., Dean, M. E., Myers, L., Wilson, P. & Eastwood, A., 2005, Yn: Clinical Governance: An International Journal. 10, 3, t. 190-195

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

25. Cyhoeddwyd

    Increasing informed uptake and non-uptake of screening: evidence from a systematic review

    Jepson, R., Forbes, C., Sowden, A. & Lewis, R., 25 Meh 2001, Yn: Health Expectations. 4, 2, t. 116-130

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

26. Wedi ei Dderbyn / Yn y wasg

    Informing evidence-based policy during the COVID-19 pandemic and recovery period: learning from a national evidence centre

    Cooper, A., Lewis, R., Gal, M., Joseph-Williams, N., Greenwell, J., Watkins, A., Strong, A., Williams, D., Doe, E., Law, R-J. & Edwards, A., 8 Ebr 2024, (Wedi ei Dderbyn / Yn y wasg) Yn: Global Health Research and Policy.

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

27. Cyhoeddwyd

    Interventions to mitigate the risks of COVID-19 for people experiencing homelessness and their effectiveness: a systematic review

    Ogbonna, O., Bull, F., Spinks, B., Williams, D., Lewis, R. & Edwards, A., 2023, Yn: Frontiers in Public Health. 11, 1286730.

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

28. Cyhoeddwyd

    Is increased time to diagnosis and treatment in symptomatic cancer associated with poorer outcomes? Systematic review

    Neal, R. D., Tharmanathan, P., France, B., Din, N. U., Cotton, S., Fallon-Ferguson, J., Hamilton, W., Hendry, A., Hendry, M., Lewis, R., Macleod, U., Mitchell, E. D., Pickett, M., Rai, T., Shaw, K., Stuart, N., Tørring, M. L., Wilkinson, C., Williams, B., Williams, N. & Emery, J., 31 Maw 2015, Yn: British Journal of Cancer. 112 , Suppl 1, t. S92-107

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

29. Cyhoeddwyd

    Management of colorectal cancers

    Lewis, R., Flynn, A., Dean, M. E., Melville, A., Eastwood, A. & Booth, A., 2004, Yn: Quality and Safety in Health Care. 13, 5, t. 400-404

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

30. Cyhoeddwyd

    Measuring illness and exercise beliefs in osteoarthritis of the hip or knee: psychometric properties of the ‘Hip and Knee Beliefs Questionnaire’ and the ‘Exercise Attitude Questionnaire’

    Williams, N. H., Amoakwa, E., Belcher, J., Burton, K., Hendry, M., Lewis, R., Hood, K., Bennett, P., Neal, R. D. & Wilkinson, C. E., 1 Ebr 2012, Yn: International Musculoskeletal Medicine. 34, 1, t. 13-20

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

31. E-gyhoeddi cyn argraffu

    Mitigating COVID-19 Burden in People Experiencing Incarceration: A Systematic Review

    Spinks, B., Williams, DB., Williams, D., Lewis, R., Bull, F., Ogbonna, O. & Edwards, A., 5 Ebr 2024, (E-gyhoeddi cyn argraffu) Yn: Journal of Correctional Health Care.

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

32. Cyhoeddwyd

    Molindone for schizophrenia and severe mental illness

    Bagnall, A-M., Fenton, M., Lewis, R., Leitner, M. & Kleijnen, J., 24 Ebr 2000, Yn: Cochrane Library. 2, 11 t., CD002083.

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

33. Cyhoeddwyd

    Nurse-led vs. conventional physician-led follow-up for patients with cancer: systematic review

    Lewis, R., Neal, R. D., Williams, N. H., France, B., Wilkinson, C. E., Hendry, M., Russell, D., Russell, I., Hughes, D., Stuart, N. S. & Weller, D., 1 Ebr 2009, Yn: Journal of Advanced Nursing. 65, 4, t. 706-723

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

34. Oral or topical nasal steroids for hearing loss associated with otitis media with effusion in children

    Simpson, S. A., Lewis, R., van der Voort, J. & Butler, C. C., 11 Mai 2011, Yn: Cochrane Database of Systematic Reviews. 2011, 5, t. Art. No.: CD001935

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

35. Cyhoeddwyd

    Patients' and healthcare professionals' views of cancer follow-up: systematic review

    Lewis, R., Neal, R. D., Hendry, M., France, B., Williams, N. H., Russell, D., Hughes, D. A., Russell, I., Stuart, N. S. A., Weller, D. & Wilkinson, C., Gorff 2009, Yn: British Journal of General Practice. 59, 564, t. e248-e259

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

36. Cyhoeddwyd

    Potential types of bias when estimating causal effects in environmental research and how to interpret them

    Konno, K., Gibbons, J., Lewis, R. & Pullin, A., 7 Chwef 2024, Yn: Environmental Evidence. 13, 1, 1.

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

37. Cyhoeddwyd

    Pragmatic methods for reviewing exceptionally large bodies of evidence: systematic mapping review and overview of systematic reviews using lung cancer survival as an exemplar

    Lewis, R., Hendry, M., Din, N., Stanciu, M. A., Nafees, S., Hendry, A., Teoh, Z. H., Lloyd, T., Parsonage, R., Neal, R. D., Collier, G. & Huws, D. W., 16 Gorff 2019, Yn: Systematic Reviews. 8, 1, 171.

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

38. Cyhoeddwyd

    Protocol for a definitive randomised controlled trial and economic evaluation of a community-based rehabilitation programme following hip fracture: fracture in the elderly multidisciplinary rehabilitation-phase III (FEMuR III)

    Williams, N., Dodd, S., Hardwick, B., Clayton, D., Edwards, R. T., Charles, J. M., Logan, P., Busse, M., Lewis, R., Smith, T. O., Sackley, C., Morrison, V., Lemmey, A., Masterson-Algar, P., Howard, L., Hennessy, S., Soady, C., Ralph, P., Dobson, S. & Dorkenoo, S., 16 Hyd 2020, Yn: BMJ Open. 10, 10, t. e039791

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

39. Cyhoeddwyd

    Protocol for a feasibility study incorporating a randomised pilot trial with an embedded process evaluation and feasibility economic analysis of ThinkCancer!: a primary care intervention to expedite cancer diagnosis in Wales

    Disbeschl, S., Surgey, A., Roberts, J. L., Hendry, A., Lewis, R., Goulden, N., Hoare, Z., Williams, N., Anthony, B. F., Edwards, R. T., Law, R-J., Hiscock, J., Carson-Stevens, A., Neal, R. D. & Wilkinson, C., 2021, Yn: Pilot and Feasibility Studies. 7, 1, 100.

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

40. Cyhoeddwyd

    Psychological Response In Spinal Manipulation (PRISM): a systematic review of psychological outcomes in randomised controlled trials

    Williams, N., Hendry, M., Lewis, R., Russell, I., Westmoreland, A. & Wilkinson, C., Rhag 2007, Yn: Complementary Therapies in Medicine. 15, 4, t. 271-283

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

41. Cyhoeddwyd

    Quantitative evidence synthesis methods for the assessment of the effectiveness of treatment sequences for clinical and economic decision-making: a review and taxonomy of simplifying assumptions

    Lewis, R., Hughes, D., Sutton, AJ. & Wilkinson, C., Ion 2021, Yn: PharmacoEconomics. 39, 1, t. 25-61 37 t.

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

42. Cyhoeddwyd

    Sertindole for schizophrenia

    Lewis, R., Bagnall, A-M. & Leitner, M., 20 Gorff 2005, Yn: Cochrane Database of Systematic Reviews. 2005, 3, CD001715.

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

43. Sertindole versus other atypical antipsychotics for schizophrenia

    Komossa, K., Rummel-Kluge, C., Hunger, H., Schwarz, S., Schmid, F., Lewis, R., Kissling, W. & Leucht, S., 15 Ebr 2009, Yn: Cochrane Database of Systematic Reviews. 2009, 2, CD006752.

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

44. Telemedicine versus face to face patient care: effects on professional practice and health care outcomes

    Currell, R., Urquhart, C., Wainwright, P. & Lewis, R., 24 Ebr 2000, Yn: Cochrane Library. 2

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

45. Cyhoeddwyd

    Telemedicine versus face to face patient care: effects on professional practice and health care outcomes

    Currell, R., Urquhart, C., Wainwright, P. & Lewis, R., 2001, Yn: Nursing Times. 97, 35, t. 35

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

46. Cyhoeddwyd

    The Effects of the COVID-19 Pandemic on People Experiencing Incarceration: a Systematic Review

    Williams, D. B., Spinks, B., Williams, D., Lewis, R., Bull, F. & Edwards, A., 5 Ebr 2024, Yn: BMJ Open. 14, 17 t., e076451.

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

47. Cyhoeddwyd

    The Hip and Knee Book: developing an active management booklet for hip and knee osteoarthritis

    Williams, N. H., Amoakwa, E., Burton, K., Hendry, M., Lewis, R., Jones, J., Bennett, P., Neal, R. D., Andrew, G. & Wilkinson, C. E., 1 Chwef 2010, Yn: British Journal of General Practice. 60, 571, t. e64-e82

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

48. Cyhoeddwyd

    The clinical effectiveness and cost-effectiveness of management strategies for sciatica: systematic review and economic model

    Lewis, R., Williams, N. H., Williams, N., Din, N., Fitzsimmons, D., Phillips, C., Jones, M., Sutton, A., Burton, K., Nafees, S., Hendry, M., Rickard, I., Chakraverty, R. & Wilkinson, C. E., Tach 2011, Yn: Health Technology Assessment. 15, 39, t. 1-578 578 t.

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

49. Cyhoeddwyd

    The clinical effectiveness and cost-effectiveness of vinorelbine for breast cancer: a systematic review and economic evaluation

    Lewis, R., Bagnall, A-M., King, S., Woolacott, N., Forbes, C., Shirran, L., Duffy, S., Kleijnen, J., ter Riet, G. & Riemsma, R., Rhag 2002, Yn: Health Technology Assessment. 6, 14

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

50. Cyhoeddwyd

    The clinical effectiveness of trastuzumab for breast cancer: A systematic review

    Lewis, R., Bagnall, A-M., Forbes, C., Shirran, E., Duffy, S., Kleijnen, J., Riemsma, R. & ter Riet, G., Meh 2002, Yn: Health Technology Assessment. 6, 13, 79 t.

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

51. Cyhoeddwyd

    The determinants of screening uptake and interventions for increasing uptake

    Jenson, R., Clegg, A., Forbes, C., Lewis, R., Sowden, A. & Kleijnen, J., 2000, Yn: Health Technology Assessment. 4, 14, t. 1-133

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

52. Cyhoeddwyd

    The impact of being homeless on the clinical outcomes of COVID-19, and the impact of the pandemic on health inequalities in this population: systematic review

    Ogbonna, O., Bull, F., Spinks, B., Williams, D., Lewis, R. & Edwards, A., 15 Medi 2023, Yn: Journal of Public Health. 68, 1605893.

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