[Pre-Aug 2018] Canolfan Gogledd Cymru ar gyfer Ymchwil Gofal Cychwynnol
- 2011
- Cyhoeddwyd
Views of health professionals on the role of primary care in the follow-up of men with prostate cancer
Wilkinson, C. E., Watson, E., O'Brien, R., Campbell, C., Weller, D., Neal, R. D., Wilkinson, C. & Rose, P. O., 21 Meh 2011, Yn: Family Practice. 28, 6, t. 647-654Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Deterministic nonlinear features of cutaneous perfusion are lost in diabetic subjects with neuropathy
Parthimos, D., Schmiedel, O., Harvey, J. N. & Griffith, T. M., 1 Gorff 2011, Yn: Microvascular Research. 82, 1, t. 42-51Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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-e458Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The influence of sex and puberty on the progression of diabetic nephropathy and retinopathy
Harvey, J. N., 1 Awst 2011, Yn: Diabetologia. 54, 8, t. 1943-1945Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
“I wish I’d told them”: A qualitative study examining the unmet psychosexual needs of prostate cancer patients during follow-up after treatment
Wilkinson, C. E., O’Brien, R., Rose, P., Campbell, C., Weller, D., Neal, R. D., Wilkinson, C., Mcintosh, H. & Watson, E., 1 Awst 2011, Yn: Patient Education and Counseling. 84, 2, t. 200-207Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Enhancing ventilation in homes of children with asthma: cost-effectiveness study alongside randomised controlled trial
Linck, P. G., Edwards, R. T., Neal, R. D., Linck, P., Bruce, N., Mullock, L., Nelhans, N., Pasterfield, D., Russell, D., Russell, I. & Woodfine, L. O., 1 Tach 2011, Yn: British Journal of General Practice. 61, 592, t. e733-e741Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Enhancing ventilation in homes of children with asthma: pragmatic randomised controlled trial
Linck, P. G., Woodfine, L., Neal, R. D., Bruce, N., Edwards, R. T., Linck, P., Mullock, L., Nelhans, N., Pasterfield, D., Russell, D. & Russell, I. O., 1 Tach 2011, Yn: British Journal of General Practice. 61, 592, t. e724-e732Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The clinical effectiveness and cost-effectiveness of management strategies for sciatica: systematic review and economic model
Lewis, R., Williams, N., Matar, H. E., Din, N., Fitzsimmons, D., Phillips, C., Jones, M., Sutton, A., Burton, K., Nafees, S., Hendry, M., Rickard, I., Chakraverty, R. & Wilkinson, C., 1 Tach 2011, Yn: Health Technology Assessment. 15, 39, t. 1-578 578 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl adolygu › adolygiad gan gymheiriaid
- Cyhoeddwyd
The incidence and prevalence of admissions for melancholia in two cohorts (1875–1924 and 1995–2005)
Whitaker, C. J., Le Noury, J. C., Harris, M., Farquhar, F., Healy, D., Le Noury, J., Baker, D., Whitaker, C., Linden, S., Green, P. & Roberts, A. P., 1 Tach 2011, Yn: Journal of Affective Disorders. 134, 1-3, t. 45-51Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Intensive glycaemic control in type 2 diabetes: where are we now?
Lee, S. & Harvey, J. N., 1 Rhag 2011, Yn: Prescriber. 22, 23-24, t. 6-8Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2012
- Cyhoeddwyd
Personalised cancer follow-up: risk stratification, needs assessment or both?
Wilkinson, C. E., Watson, E. K., Rose, P. W., Neal, R. D., Hulbert-Williams, N., Donnelly, P., Hubbard, G., Elliot, J., Campbell, C., Weller, D. & Wilkinson, C., 3 Ion 2012, Yn: British Journal of Cancer. 106, t. 1-5Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The incidence of admissions for schizophrenia and related psychoses in two cohorts: 1875–1924 and 1994–2010
Le Noury, J. C., Healy, D., Le Noury, J., Linden, S. C., Harris, M., Whitaker, C. J., Linden, D., Baker, D. & Roberts, A. P., 19 Ion 2012, Yn: BMJ Open. 2, 1, t. e000447Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The Aarhus statement: improving design and reporting of studies on early cancer diagnosis
Weller, D., Vedsted, P., Rubin, G., Walter, F., Emery, J., Scott, S., Campbell, C., Andersen, R. S., Hamilton, W., Olesen, F., Rose, P., Nafees, S., vanRijswijk, E., Muth, C., Beyer, M. & Neal, R. D., 27 Maw 2012, Yn: British Journal of Cancer. 106, t. 1262-1267Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 13-20Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Variation in number of general practitioner consultations before hospital referral for cancer: findings from the 2010 National Cancer Patient Experience Survey in England
Lyratzopoulos, G., Neal, R. D., Barbiere, J. M., Rubin, G. & Abel, G., 1 Ebr 2012, Yn: Lancet Oncology. 13, 4, t. 353-365Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Real-Time Self-Regulation of Emotion Networks in Patients with Depression
Linden, D., Linden, D. E., Habes, I., Johnston, S. J., Linden, S., Tatineni, R., Subramanian, L., Sorger, B., Healy, D. & Goebel, R., 4 Meh 2012, Yn: PLoS ONE. 7, 6, t. e38115Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The risk of pancreatic cancer in symptomatic patients in primary care: a large case–control study using electronic records
Stapley, S., Peters, T. J., Neal, R. D., Rose, P., Walter, F. & Hamilton, W., 5 Meh 2012, Yn: British Journal of Cancer. 106, t. 1940-1944Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The Mini-Mental Adjustment to Cancer Scale: re-analysis of its psychometric properties in a sample of 160 mixed cancer patients
Morrison, V. L., Neal, R. D., Wilkinson, C. E., Hulbert-Williams, N. J., Hulbert-Williams, L., Morrison, V. N. & Wilkinson, C., 1 Gorff 2012, Yn: Psycho-Oncology. 21, 7, t. 792-797Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 243-254Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
An evaluation of the effectiveness and cost effectiveness of the National Exercise Referral Scheme in Wales, UK: a randomised controlled trial of a public health policy initiative
Murphy, S. M., Edwards, R. T., Williams, N., Raisanen, L., Moore, G., Linck, P., Hounsome, N., Din, N. U. & Moore, L., Awst 2012, Yn: Journal of Epidemiology and Community Health. 66, 8, t. 745-753 9 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Anxiety, depression and quality of life after cancer diagnosis: what psychosocial variables best predict how patients adjust?
Wilkinson, C. E., Morrison, V. L., Hulbert-Williams, N. J., Neal, R. D., Morrison, V., Hood, K. & Wilkinson, C., 1 Awst 2012, Yn: Psycho-Oncology. 21, 8, t. 857-867Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Clinical features of bladder cancer in primary care
Shephard, E., Stapley, S., Neal, R. D., Rose, P., Walter, F. & Hamilton, W. T., 1 Medi 2012, Yn: British Journal of General Practice. 62, 602, t. e598-604Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Mortality in schizophrenia and related psychoses: data from two cohorts, 1875–1924 and 1994–2010
Whitaker, C. J., Le Noury, J. C., Healy, D., Le Noury, J., Harris, M., Butt, M., Linden, S., Whitaker, C., Zou, L. & Roberts, A. P., 8 Hyd 2012, Yn: BMJ Open. 2, 5, t. e001810Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The effect of waiting times from general practitioner referral to MRI or orthopaedic consultation for the knee on patient-based outcomes
Wilkinson, C. E., Brearly, S., Andronis, L., Dale, V., Gibbon, A. J., Gilbert, F. J., Hendry, M., Hood, K., King, D. & Wilkinson, C. O., 1 Tach 2012, Yn: British Journal of Radiology. 85, 1019, t. 1134-1139Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Prevalence of ketoacidosis at diagnosis of childhood onset Type 1 diabetes in Wales from 1991 to 2009 and effect of a publicity campaign
Lansdown, A. J., Barton, J., Lowes, L., Warner, J., Williams, D., Gregory, J. W. & Harvey, J. N., 1 Rhag 2012, Yn: Diabetic Medicine. 29, 12, t. 1506-1509Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2013
- Cyhoeddwyd
Mixed-method process evaluation of the Welsh National Exercise Referral Scheme
Moore, G., Raisanen, L., Moore, L., Din, N. & Murphy, S., 2013, Yn: Health Education. 113, 6, t. 476-501Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The application of realist synthesis review methods in public health economics
Charles, J., Edwards, R., Williams, N. & Din, N., 2013, Yn: The Lancet. 382, Special Issue, t. Page S28Allbwn ymchwil: Cyfraniad at gyfnodolyn › Rhifyn Arbennig › adolygiad gan gymheiriaid
- Cyhoeddwyd
Why do we want the right to die? A systematic review of the international literature on the views of patients, carers and the public on assisted dying
Hendry, M., Pasterfield, D., Lewis, R., Carter, B., Hodgson, D. & Wilkinson, C. E., 1 Ion 2013, Yn: Palliative Medicine. 27, 1, t. 13-26Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The risk of oesophago-gastric cancer in symptomatic patients in primary care: a large case–control study using electronic records
Stapely, S., Peters, T. J., Neal, R. D., Rose, F. M. & Hamilton, W., 15 Ion 2013, Yn: British Journal of Cancer. 108, t. 25-31Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Investigating the cognitive precursors of emotional response to cancer stress: Re-testing Lazarus's transactional model
Wilkinson, C. E., Morrison, V. L., Hulbert-Williams, N. J., Morrison, V., Wilkinson, C. & Neal, R. D., 1 Chwef 2013, Yn: British Journal of Health Psychology. 18, 1, t. 97-121Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Measures of promptness of cancer diagnosis in primary care: secondary analysis of national audit data on patients with 18 common and rarer cancers
Lyratzopoulos, G., Abel, G. A., McPhail, S., Neal, R. D. & Rubin, G. P., 19 Chwef 2013, Yn: British Journal of Cancer. 108, t. 686–690Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
The risk of a subsequent cancer diagnosis after herpes zoster infection: primary care database study
Cotton, S. J., Belcher, J., Rose, P., Jagadeesan, S. K. & Neal, R. D., 19 Chwef 2013, Yn: British Journal of Cancer. 108, t. 721-726Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Clinical features of kidney cancer in primary care: a case-control study using primary care records
Neal, R. D., Shepherd, E., Neal, R., Rose, P., Walter, F. & Hamilton, W. T., 1 Ebr 2013, Yn: British Journal of General Practice. 63, 609, t. e250-e255Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Comparative Effectiveness of Dabigatran, Rivaroxaban, Apixaban, and Warfarin in the Management of Patients With Nonvalvular Atrial Fibrillation
Hughes, D., Pink, J., Pirmohamed, M. & Hughes, D. A., 25 Ebr 2013, Yn: Clinical Pharmacology and Therapeutics.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Gender inequalities in the promptness of diagnosis of bladder and renal cancer after symptomatic presentation: evidence from secondary analysis of an English primary care audit survey
Lyratzopoulos, G., Abel, G. A., McPhail, S., Neal, R. D. & Rubin, G. P., 24 Meh 2013, Yn: BMJ Open. 3, t. e002861Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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
- Cyhoeddwyd
Perceptions of Issues Relating to Exercise and Joint Health in Rheumatoid Arthritis: A UK-Based Questionnaire Study
Law, R.-J., Markland, D. A., Jones, J. G., Maddison, P. J. & Thom, J. M., 1 Medi 2013, Yn: Musculoskeletal Care. 11, 3, t. 147-158 12 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Adolescent Cancer Education (ACE) to increase adolescent and parent cancer awareness and communication: study protocol for a cluster randomised controlled trial
Kyle, R. G., Macmillan, I., Rauchhaus, P., O'Carroll, R., Neal, R. D., Forbat, L., Haw, S. & Hubbard, G., 8 Medi 2013, Yn: Trials. 14, 286, t. 1-10Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
“HPV? Never heard of it!”: A systematic review of girls’ and parents’ information needs, views and preferences about human papillomavirus vaccination
Wilkinson, C. E., Lewis, R. A., Hendry, M., Clements, A. & Damery, S., 9 Medi 2013, Yn: Vaccine. 31, 45, t. 5152-5167Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Cost-Effectiveness of Pharmacogenetics-Guided Warfarin Therapy vs. Alternative Anticoagulation in Atrial Fibrillation
Hughes, D., Pink, J., Pirmohamed, M., Lane, S. & Hughes, D. A., 23 Medi 2013, Yn: Clinical Pharmacology and Therapeutics.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Cost-effectiveness of a national exercise referral programme for primary care patients in Wales: results of a randomised controlled trial
Linck, P. G., Williams, N. H., Edwards, R. T., Linck, P., Hounsome, N., Raisanen, L., Williams, N., Moore, L. & Murphy, S., 29 Hyd 2013, Yn: BMC Public Health. 13, t. 1021Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Why can’t we improve the timeliness of cancer diagnosis in children, teenagers, and young adults?
Fern, L. A., Birch, R., Whelan, J., Cooke, M., Sutton, S., Neal, R. D., Gerrand, C., Hubbard, G., Smith, S., Lethaby, C., Dommett, R. & Gibson, F., 29 Hyd 2013, Yn: British Medical Journal. 347, t. f6493Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
A feasibility study examining the effect on lung cancer diagnosis of offering a chest X-ray to higher-risk patients with chest symptoms: protocol for a randomized controlled trial
Hurt, C. N., Roberts, K., Rogers, T. K., Griffiths, G. O., Hood, K., Prout, H., Nelson, A., Fitzgibbon, J., Barham, A., Thomas-Jones, E., Edwards, R. T., Yeo, S. T., Hamilton, W., Tod, A. & Neal, R. D., 26 Tach 2013, Yn: Trials. 14, t. 405Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2014
- Cyhoeddwyd
Patient-reported measurement of time to diagnosis in cancer: development of the Cancer Symptom Interval Measure (C-SIM) and randomised controlled trial of method of delivery
Hendry, M., Wilkinson, C. E., Williams, N. H., Neal, R. D., Nafees, S., Pasterfield, D., Hood, K., Hendry. M., [. V., Gollins, S., Makin, M., Stuart, N., Turner, J., Carter, B., Wilkinson, C., Williams, N. & Robling, M., 3 Ion 2014, Yn: BMC Health Services Research.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Comparison of cancer diagnostic intervals before and after implementation of NICE guidelines: analysis of data from the UK General Practice Research Database
Neal, R. D., Din, N. U., Hamilton, W., Ukoumunne, O. C., Carter, B., Stapley, S. & Rubin, G., 4 Chwef 2014, Yn: British Journal of Cancer. 110, 3, t. 584–592 9 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Variation in promptness of presentation among 10,297 patients subsequently diagnosed with one of 18 cancers: Evidence from a National Audit of Cancer Diagnosis in Primary Care
Keeble, S., Abel, G. A., Saunders, C. L., McPhail, S., Walter, F. M., Neal, R. D., Rubin, G. P. & Lyratzopoulos, [. V., 25 Chwef 2014, Yn: International Journal of Cancer. 135, 5, t. 1220-1228Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 19-29Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Ovarian cancer symptom awareness and anticipated delayed presentation in a population sample
Brain, K. E., Smits, S., Simon, A. E., Forbes, L. J., Roberts, C., Robbe, I. J., Steward, J., White, C., Neal, R. D., Hanson, J. & on behalf of the ICBP Module 2 Working Group, [. V., 10 Maw 2014, Yn: BMC Cancer. 14, t. 171Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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, 4Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Scottish adolescents’ sun-related behaviours, tanning attitudes and associations with skin cancer awareness: a cross-sectional study
Kyle, R. G., MacMillan, I., Forbat, L., Neal, R. D. & O'Carroll, R. E., 2 Mai 2014, Yn: BMJ Open. 4Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid