[Pre-Aug 2018] Ysgol Nyrsio, Bydwreigiaeth ac Astudiaethau Iechyd
- Erthygl › Ymchwil › Adolygwyd gan gymheiriaid
- Cyhoeddwyd
Goal Setting for Cognitive Rehabilitation in Mild to Moderate Parkinson’s Disease Dementia and Dementia with Lewy Bodies
Watermeyer, T., Hindle, J., Roberts, J., Lawrence, C., Martyr, A., Lloyd-Williams, H., Brand, A., Gutting, P., Hoare, Z., Edwards, R. & Clare, L., 29 Meh 2016, Yn: Parkinson's Disease. 2016, 2016, 8 t., 8285041.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Goal-orientated cognitive rehabilitation for dementias associated with Parkinson’s disease- a pilot randomised controlled trial.
Hindle, J., Watermeyer, T., Brand, A., Roberts, J., Hoare, Z., Martyr, A. & Clare, L., Mai 2018, Yn: International Journal of Geriatric Psychiatry. 33, 5, t. 718-728Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Gweld y Gair: Standardisation and clinical application of a Welsh language measure for estimation of premorbid intellectual functioning
Clare, L., Toms, G., Thomas, E., Hindle, J. & Woods, R., 31 Gorff 2017, Yn: FPOP Bulletin. 139Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Health and social exclusion in older age: Evidence from Understanding Society, the UK Household Longitudinal Study
Sacker, A., Ross, A., MacLeod, C., Netuveli, G. & Windle, G., Gorff 2017, Yn: Journal of Epidemiology and Community Health. 71, 7, t. 681-690 10 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Health professionals’ perceptions of the effects of exercise on joint health in rheumatoid arthritis patients
Halls, S., Law, R.-J., Jones, J., Markland, D., Maddison, P. & Thom, J., Medi 2017, Yn: Musculoskeletal Care. 15, 3, t. 196-209 14 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
High-intensity interval training versus moderate-intensity steady-state training in UK cardiac rehabilitation programmes (HIIT or MISS UK): study protocol for a multicentre randomised controlled trial and economic evaluation
McGregor, G., Nichols, S., Hamborg, T., Bryning, L., Edwards, R., Markland, D., Mercer, J., Birkett, S., Ennis, S., Powell, R., Begg, B., Haykowsky, M., Banerjee, P., Ingle, L., Shave, R. & Backx, K., 18 Tach 2016, Yn: BMJ Open. 6, 11, t. 1-9 9 t., 6:e012843.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Hip fracture in the elderly multidisciplinary rehabilitation (FEMuR) feasibility study: testing the use of routinely collected data for future health economic evaluations
Williams, N., Mawdesley, K., Roberts, J., Din, N., Totton, N., Charles, J., Hoare, Z. & Edwards, R., 7 Mai 2018, Yn: Pilot and Feasibility Studies. 4, 76.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
How and why does capitation affect General Dental Practitioner behaviour? A Rapid Realist Review
Lloyd- Godwin, T., Brocklehurst, P., Williams, L. & Hall, H., Hyd 2018, Yn: British Journal of Health Care Management. 24, 10, t. 505-513Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
How do we incorporate patient views into the design of health-care services for older people: a discussion paper
Brocklehurst, P., McKenna, G., Schimmel, M., Kossioni, A., Jerković-Ćosić, K., Hayes, M., da Mata, C. & Muller, F., 6 Ebr 2018, Yn: BMC Oral Health. 18, 61.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
How to design a Randomised Controlled Trial
Brocklehurst, P. & Hoare, Z., Mai 2017, Yn: British Dental Journal. 222, t. 721-726Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
ICONS: Identifying Continence OptioNs after Stroke: An evidence synthesis, case study and exploratory cluster randomised controlled trial of the introduction of a systematic voiding programme for patients with urinary incontinence after stroke in secondary care
Thomas, L. H., French, B., Sutton, C. J., Forshaw, D., Leathley, M. J., Burton, C., Roe, B., Cheater, F., Booth, J., McColl, E., Carter, B., Walker, A., Brittain, K., Whiteley, G., Rodgers, H., Barrett, J. & Watkins, C., Maw 2015, Yn: Programme Grants for Applied Research. 3, 1Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Immediate chest X-ray for patients at risk of lung cancer presenting in primary care: randomised controlled feasibility trial
Neal, R., Barham, A., Bongard, E., Edwards, R., Fitzgibbon, J., Griffiths, G., Willie, H., Hood, K., Parker, D., Porter, C., Prout, H., Roberts, K., Rogers, T., Thomas-Jones, E., Tod, A., Yeo, S. T. & Hurt, C., 31 Ion 2017, Yn: British Journal of Cancer. 116, 3, t. 293-302 10 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of Antipsychotic Review and Nonpharmacological InterventiononAntipsychotic Use, Neuropsychiatric Symptoms, and Mortality in People With Dementia Living in Nursing Homes: A Factorial Cluster-Randomized Controlled Trial by the Well-Being and Health for People With Dementia (WHELD) Program
Ballard, C., Orrell, M., Zhong, S. Y., Moniz-Cook, E., Stafford, J., Whittaker, R., Woods, B., Corbett, A., Garrod, L., Khan, Z., Woodward-Carlton, B., Wenborb, J. & Fossey, J., Maw 2016, Yn: American Journal of Psychiatry. 173, 3, t. 252-262Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of antipsychotic review and non-pharmacological intervention on health-related quality of life in people with dementia living in care homes: WHELD—a factorial cluster randomised controlled trial
Ballard, C., Orrell, M., Sun, Y., Moniz-Cook, E., Stafford, J., Whitaker, R., Woods, R., Corbett, A., Banerjee, S., Testad, I., Garrod, L., Khan, Z., Woodward-Carlton, B., Wenborn, J. & Fossey, J., Hyd 2017, Yn: International Journal of Geriatric Psychiatry. 32, 10, t. 1094-1103Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of non-adherence and flare resolution on the cost effectiveness of treatments for gout: Application of a linked pharmacometric/pharmacoeconomic model
Hill-McManus, D., Marshall, S., Soto, E., Lane, S. & Hughes, D., Rhag 2018, Yn: Value in Health. 21, 12, t. 1373-1381Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of non-adherence on the safety and efficacy of uric acid lowering therapies in the treatment of gout
Hill McManus, D., Soto, E., Marshall, S., Lane, S. & Hughes, D., Ion 2018, Yn: British Journal of Clinical Pharmacology. 84, 1, t. 142-152Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of person-centred thinking and personal budgets in mental health services: reporting a UK pilot
Coyle, D. S., 1 Tach 2011, Yn: Journal of Psychiatric and Mental Health Nursing. 18, 9, t. 796-803Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact of place of residence on place of death in Wales: An observational study
Ziwary, S. R., Samad, S., Johnson, C. D. & Edwards, R., 12 Rhag 2017, Yn: BMC Palliative Care. 16, 1, t. 72-77 6 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impact on the phased abolition of co-payments on the utilisation of selected prescription medicines in Wales
Alam, M. F., Cohen, D., Dunstan, F., Hughes, D. & Routledge, P. A., Ion 2018, Yn: Health Economics. 27, 1, t. 236-243Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Implementation and trial evidence: A plea for fore-thought
Brocklehurst, P., Williams, L., Burton, C., Goodwin, T. & Rycroft-Malone, J., 10 Maw 2017, Yn: British Dental Journal. 222, t. 331-335Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Implementing a Systematic Voiding Program for Patients With Urinary Incontinence After Stroke
ICONS Project Team, Awst 2016, Yn: Qualitative Health Research. 26, 10, t. 1393-1408 16 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Implementing best practice in infection prevention and control: A realist evaluation of the role of intermediaries
Williams, L., Rycroft-Malone, J. & Burton, C., Awst 2016, Yn: International Journal of Nursing Studies. 60, t. 156-167Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Impregnated central venous catheters for prevention of bloodstream infection in children (the CATCH trial): a randomised controlled trial
Gilbert, R. E., Mok, Q., Dwan, K., Harron, K., Moitt, T., Millar, M., Ramnarayan, P., Tibby, S. M., Hughes, D. & Gamble, C. F., 23 Ebr 2016, Yn: The Lancet. 387, 10029, t. 1732-1742Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Improved Adenoma Detection with Endocuff Vision: The ADENOMA Randomised Controlled Trial
Ngu, W. S., Bevan, R., Tsiamoulos, Z. P., Bassett, P., Hoare, Z., Rutter, M. D., Clifford, G., Totton, N., Lee, T. J., Ramadas, A., Silcock, J. G., Painter, J., Neilson, L. J., Saunders, B. P. & Rees, C. J., Chwef 2019, Yn: GUT . 68, 2, t. 280-288Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Improving Skills and Care Standards in the Support Workforce for Older People: A Realist Synthesis of Workforce Development Interventions
Williams, L., Rycroft-Malone, J., Burton, C., Edwards, S., Fisher, D., Hall, H., McCormack, B., Nutley, S., Seddon, D. & Williams, R., 30 Ebr 2016, Yn: Health Services and Delivery Research. 4.12Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Improving access to CPD for nurses: the uptake of online provision
Ousey, K. & Roberts, D., 2013, Yn: British Journal of Community Nursing. 18, 2, t. 78-84Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Improving skills and care standards in the support workforce for older people: a realist synthesis of workforce development interventions
Williams, L., Rycroft-Malone, J., Burton, C. R., Edwards, S., Fisher, D., Hall, B., McCormack, B., Nutley, S. M., Seddon, D. & Williams, R., 31 Gorff 2016, Yn: BMJ Open. 6, 8Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Improving the experience of dementia and enhancing active life--living well with dementia: study protocol for the IDEAL study
Clare, L., Nelis, S. M., Quinn, C., Martyr, A., Henderson, C., Hindle, J. V., Jones, I. R., Jones, R. W., Knapp, M., Kopelman, M. D., Morris, R. G., Pickett, J. A., Rusted, J. M., Savitch, N. M., Thom, J. M. & Victor, C. R., 30 Tach 2014, Yn: Health and Quality of Life Outcomes. 12, t. 164Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 116-130Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Individual cognitive stimulation therapy for dementia: a clinical effectiveness and cost-effectiveness pragmatic, multicentre, randomised controlled trial
Orgeta, V., Leung, P., Yates, L., Kang, S., Hoare, Z. S., Henderson, C., Whitaker, C., Burns, A., Knapp, M., Leroi, I., Moniz-Cook, E. D., Pearson, S., Simpson, S., Spector, A., Roberts, S., Russell, I. T., de Waal, H., Woods, R. T. & Orrell, M., 1 Awst 2015, Yn: Health Technology Assessment. 19, 64Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Innovation at the Intersection of Clinical Trials and Real-World Data Science to Advance Patient Care
Swift, B., Jain, L., White, C., Chandrasekaran, V., Bhandari, A., Hughes, D. & Jadhav, P., Medi 2018, Yn: Clinical and Translational Science. 11, 5, t. 450-460 11 t.Allbwn 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, 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. 155Allbwn 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, and qualitative and realist synthesis of implementation factors and user engagement
Whitaker, R., Hendry, M., Aslam, R., Booth, A., Carter, B., Charles, J., Craine, N., Edwards, R., Noyes, J., Ntambwe, L. I., Pasterfield, D., Rycroft-Malone, J. & Williams, N., 1 Maw 2016, Yn: Health Technology Assessment. 20, 16Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Interventions for the management of oral ulcers in Behçet's disease
Taylor, J., Glenny, A.-M., Walsh, T., Brocklehurst, P., Riley, P., Gorodkin, R. & Pemberton, M. N., 25 Medi 2014, Yn: Cochrane Database of Systematic Reviews 2011. 9, t. CD011018Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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
- Cyhoeddwyd
Investigating the Functional Utility of the Left Parietal ERP Old/New Effect: Brain Activity Predicts Within but Not Between Participant Variance in Episodic Recollection.
MacLeod, C. & Donaldson, D., 5 Rhag 2017, Yn: Frontiers in Human Neuroscience. 11, 580.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. S92-107Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Lack of inhibition in Parkinson's disease: Evidence from decreased negative priming in a lexical decision task
Mari-Beffa, P., Hayes, A., Machado, L., Sheppard, D., Rafal, R. & Hindle, J., Ebr 2002, Yn: Journal of Cognitive Neurosience. t. 97-97 1 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Language changes in bilingual individuals with Alzheimer’s disease
Stilwell, B. L., Dow, R. M., Lamers, C. & Woods, R. T., Maw 2016, Yn: International Journal of Language and Communication Disorders. 51, 2, t. 113-127Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Learning from the Brazilian community health worker model in North Wales
Johnson, C. D., Noyes, J., Haines, A., Thomas, K., Stockport, C., Ribas, A. N. & Harris, M., 11 Meh 2013, Yn: Globalization and health. 9, t. 25Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Lessons learnt from a discontinued randomised controlled trial: Adalimumab injection compared with placebo for patients receiving physiotherapy treatment for sciatica (Subcutaneous Injection of Adalimumab Trial compared with Control: SCIATiC)
Williams, N., Jenkins, A., Goulden, N., Hoare, Z., Hughes, D., Wood, E., Foster, N. E., Walsh, D. A., Carnes, D., Sparkes, V., Hay, E. M., Isaacs, J., Konstantinou, K., Morrissey, D., Karppinen, J., Genevay, S. & Wilkinson, C., 31 Gorff 2018, Yn: Trials. 19, 408.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Heb ei Gyhoeddi
Lifestyle matters: promoting health and mental wellbeing in people aged 65 years and over
Mountain, G., Windle, G. & Sprange, K., 2015, (Heb ei Gyhoeddi) Yn: British Journal of Occupational Therapy. 77, t. 68Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Links between serotonin reuptake inhibition during pregnancy and neurodevelopmental delay/spectrum disorders: A systematic review of epidemiological and physiological evidence
Healy, D., Le Noury, J. & Mangin, D., 17 Medi 2016, Yn: International Journal of Risk & Safety in Medicine. 28, 3Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Maintenance cognitive stimulation therapy for dementia: single-blind, multicentre, pragmatic randomised controlled trial
Orrell, M., Aguirre, E., Spector, A., Hoare, Z., Woods, R. T., Streater, A., Donovan, H., Hoe, J., Knapp, M., Whitaker, C. & Russell, I., 1 Meh 2014, Yn: British Journal of Psychiatry. 204, 6, t. 454-461Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 400-404Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Managers' use of nursing workforce planning and deployment technologies: protocol for a realist synthesis of implementation and impact.
Burton, C., Rycroft-Malone, J., Williams, L., Davies, S., Hall, B., McBride, A., Rowlands, A.-M. & Jones, A., 26 Awst 2016, Yn: BMJ Open. 6, 8, 24 t.Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Managing diabetes in people with dementia: protocol for a realist review
Bunn, F., Goodman, C., Rycroft-Malone, J., Jones, P. R., Burton, C., Rait, G., Trivedi, D., Bayer, A. & Sinclair, A., 7 Ion 2016, Yn: Systematic Reviews. 5, 5Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Mapping ALSFRS-R and ALSUI to EQ-5D in patients with motor neurone disease
Moore, A., Young, C. A. & Hughes, D., Tach 2018, Yn: Value in Health. 21, 11, t. 1322-1329Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Matching and accepting assistive technology in multiple sclerosis: A focus group study with people with multiple sclerosis, carers and occupational therapists
Squires, L. A., Williams, N. & Morrison, V. L., Maw 2019, Yn: Journal of Health Psychology. 24, 4, t. 480-494 15 t.Allbwn 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