Professor Rhiannon Tudor Edwards

Athro

Dolenni cyswllt

Contact info

Cyfarwyddwr sefydlu ymchwil economeg iechyd ym Mhrifysgol Bangor. Cyd-gyfarwyddwr y Ganolfan Economeg a Gwerthuso Meddyginiaethau (CHEME) ym Mhrifysgol Bangor.

Mewn dadansoddiad byd-eang o lyfryddiaeth mewn economeg iechyd (1975-2022), rhestrwyd Rhiannon ymhlith yr awduron pwysicaf ym maes economeg iechyd. Roedd hi ymhlith y pum awdur mwyaf cydweithredol, gyda Phrifysgol Bangor yn un o’r 10 sefydliad mwyaf cydweithredol ym maes economeg iechyd. Gweler: Barbu, L. Global trends in the scientific research of the health economics: a bibliometric analysis from 1975 to 2022. Health Econ Rev 13, 31 (2023).

Ffôn: +44 (0) 1248 383 712

E-bost: r.t.edwards@bangor.ac.uk

Cyfeiriad: Ystafell 103, Ardudwy, Safle Normal, Prifysgol Bangor, Bangor, Gwynedd LL57 2PZ

X (Trydar): @ProfRTEdwards

 

  1. 2009
  2. Cyhoeddwyd

    Long-term effectiveness of a parenting intervention for children at risk of developing conduct disorder.

    Bywater, T. J., Daley, D. M., Hutchings, J. M., Bywater, T., Hutchings, J., Daley, D., Whitaker, C. J., Yeo, S. T., Jones, K., Eames, C. & Edwards, R. T., 1 Medi 2009, Yn: British Journal of Psychiatry. 195, 4, t. 318-324

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. 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 gyfnodolynErthygladolygiad gan gymheiriaid

  4. Cyhoeddwyd

    Does farm worker health vary between localised and globalised food supply systems?

    Cross, P., Edwards, R. T., Opondo, M., Nyeko, P. & Edwards-Jones, G., 1 Hyd 2009, Yn: Environment International. 35, 7, t. 1004-1014

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Patient preferences and National Health Service costs: a cost-consequences analysis of cancer genetic services.

    Morrison, V. L., Wilkinson, C. E., Griffith, G. L., Edwards, R. T., Williams, J. M., Gray, J., Morrison, V., Wilkinson, C., Turner, J., France, B. & Bennett, P., 1 Rhag 2009, Yn: Familial Cancer. 8, 4, t. 265-275

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. 2010
  7. Cyhoeddwyd

    The evaluation of the National Exercise Referral Scheme in Wales

    Murphy, S. M., Raisanen, L., Moore, G., Edwards, R., Linck, P., Hounsome, N., Williams, N., Din, N. & Moore, L., 2010, Welsh Government. (Social research; Rhif Number: 07/2010)

    Allbwn ymchwil: Llyfr/AdroddiadAdoddiad Arall

  8. Cyhoeddwyd

    Diabetic Retinopathy Screening: A systematic review of the economic evidence.

    Jones, S. & Edwards, R. T., 1 Maw 2010, Yn: Diabetic Medicine. 27, 3, t. 249-256

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    A pragmatic randomised controlled trial of the Welsh National Exercise Referral Scheme: protocol for trial and integrated economic and process evaluation: protocol for trial and integrated economic and process evaluation

    Murphy, S., Raisanen, L., Moore, G., Edwards, R. T., Linck, P., Williams, N., Din, N., Hale, J., Roberts, C., McNaish, E. & Moore, L., 18 Meh 2010, Yn: BMC Public Health. 10, 352, t. 352

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    Cancer of oesophagus or gastricus - new assessment of technology of endosonography: findings.

    Ingledew, D. K., Russell, I. T., Attwood, S., Barr, H., Edwards, R. T., Gliddon, A., Ingledew, D., Park, K., Russell, D., Yeo, S. T. & Whitaker, R., 1 Medi 2010, Yn: Journal of Epidemiology and Community Health. 64, Supplement 1, t. A36-A37

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    Incredible Years parent training support for foster carers in Wales: A multi-centre feasibility study

    Bywater, T. J., Hutchings, J., Linck, P., Whitaker, C. J., Daley, D., Yeo, S. T. & Edwards, R. T., 21 Medi 2010, Yn: Child: care, health and development. 37, 2, t. 233-243

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. 2011
  13. Cyhoeddwyd

    EQ-5D as a quality of life measure in people with Dementia and their carers: evidence and key issues.

    Hounsome, N., Orrell, M. & Edwards, R. T., 1 Maw 2011, Yn: Value in Health. 14, 2, t. 390-399

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    Can the annual screening interval for diabetic retinopathy be extended in patients with no retinopathy?

    Owen, D., Thomas, R., Yeo, S. T. & Edwards, R., 18 Maw 2011, (Wales Office for Research and Development in Health and Social Care (WORD) report)

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwn

  15. Cyhoeddwyd

    A profile of low vision services in England: the Low Vision Service Model Evaluation (LOVSME) project

    Linck, P. G., Dickinson, C., Linck, P., Edwards, R. T., Binns, A., Bunce, C., Harper, R., Jackson, J., Lindsay, J., Suttie, A., Wolffsohn, J., Woodhouse, M. & Margrain, T. A., 1 Gorff 2011, Yn: Eye. 25, 7, t. 829–831

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    Parenting interventions: a systematic review of the economic evidence

    Hutchings, J. M., Charles, J. M., Bywater.T., N. V. & Edwards, R. T., 1 Gorff 2011, Yn: Child: care, health and development. 37, 4, t. 462-4745

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. 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 gyfnodolynErthygladolygiad gan gymheiriaid

  18. 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-e741

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. 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-e732

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    EQ-5D for the Assessment of Health-Related Quality of Life and Resource Allocation in Children: A Systematic Methodological Review

    Noyes, J. & Edwards, R. T., 1 Rhag 2011, Yn: Value in Health. 14, 8, t. 1117–1129

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. 2012
  22. Cyhoeddwyd

    A systematic review of the cost-effectiveness of interventions for supporting informal caregivers of people with dementia residing in the community

    Jones, C. L., Edwards, R. T. & Hounsome, B., 1 Ion 2012, Yn: International Psychogeriatrics. 24, 1, t. 6-18

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    REMCARE: reminiscence groups for people with dementia and their family caregivers - effectiveness and cost-effectiveness pragmatic multicentre randomised trial

    Woods, R. T., Bruce, E., Edwards, R. T., Elvish, R., Hoare, Z. S., Hounsome, B., Keady, J., Moniz-Cook, E. D., Orgeta, V., Orrell, M., Rees, J. & Russel, I. T., 1 Ion 2012, Yn: Health Technology Assessment. 16, 48, t. 1-121

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    How Effective is Low Vision Service Provision? A Systematic Review

    Linck, P. G., Binns, A. M., Bunce, C., Dickinson, C., Harpers, R., Edwards, R. T., Woodhouse, M., Linck, P., Suttie, A., Jackson, J., Lindsay, J., Wolffsohn, J., Hughes, L. & Margrain, T. H., 2 Ion 2012, Yn: Survey of Ophthalmology. 57, 1, t. 34-65

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    FIRE (facilitating implementation of research evidence): a study protocol

    Seers, K., Cox, K., Chricton, N. J., Edwards, R. T., Eldh, A. C., Estabrooks, C. A., Harvey, G., Hawkes, C., Kitson, A., Linck, P. G., McCarthy, G., McCormack, B., Mockford, C., Rycroft-Malone, J., Titchen, A. & Wallin, L., 27 Maw 2012, Yn: Implementation Science. 7, 25

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    The Depression in Visual Impairment Trial (DEPVIT): trial design and protocol

    Margrain, T. H., Nollett, C., Shearn, J., Stanford, M., Edwards, R. T., Ryan, B., Bunce, C., Casten, R., Hegel, M. T. & Smith, D. J., 6 Meh 2012, Yn: BMC Psychiatry. 12, 57

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    Diabetic retinopathy screening: perspectives of people with diabetes, screening intervals and costs of attending screening

    Yeo, S. T., Edwards, R. T., Luzio, S. D., Charles, J. M., Thomas, R. L., Peters, J. M. & Owens, D. R., 19 Meh 2012, Yn: Diabetic Medicine. 29, 7, t. 878-885

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    Preferences of people with diabetes for diabetic retinopathy screening: a discrete choice experiment

    Holmes, E. A., Yeo, S. T., Edwards, R. T., Fargher, E. A., Luzio, S. D., Thomas, R. L. & Owens, D. R., 1 Gorff 2012, Yn: Diabetic Medicine. 29, 7, t. 869-877

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. 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 gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Psychological Morbidity of Farmers and Non-farming Population: Results from a UK Survey

    Hounsome, B., Edwards, R. T., Hounsome, N. & Edwards-Jones, G., 1 Awst 2012, Yn: Community Mental Health Journal. 48, 4, t. 503-510

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    Health economics research into supporting carers of people with dementia: A systematic review of outcome measures

    Jones, C. L., Edwards, R. T. & Hounsome, B., 26 Tach 2012, Yn: Health and Quality of Life Outcomes. 10, 142

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    Yoga for reducing perceived stress and back pain at work

    Hartfiel, N., Burton, C., Rycroft-Malone, J., Clarke, G., Havenhand, J., Khalsa, S. B. & Edwards, R. T., 8 Rhag 2012, Yn: Occupational Medicine. 62, 8, t. 606-612 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. 2013
  34. 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 S28

    Allbwn ymchwil: Cyfraniad at gyfnodolynRhifyn Arbennigadolygiad gan gymheiriaid

  35. Cyhoeddwyd

    Effectiveness and cost-effectiveness of patient education materials about physical activity among adult cancer survivors: A systematic review

    Nafees, S., Din, N., Williams, N., Hendry, M., Edwards, R. & Wilkinson, C., Ion 2013, t. 14-15. 2 t.

    Allbwn ymchwil: Cyfraniad at gynhadleddMurlenadolygiad gan gymheiriaid

  36. Cyhoeddwyd

    Antipsychotic and Benzodiazepine prescribing prevalence and costs in people with dementia and challenging behaviours, living in care homes

    Bray, N., Hilton, A., Hounsome, B., Zou, L., Whitaker, C., Moniz-Cook, E., Hart, C., Woods, R. & Edwards, R. T., 24 Maw 2013.

    Allbwn ymchwil: Cyfraniad at gynhadleddPapur

  37. Cyhoeddwyd

    Evidence-based planning and costing palliative care services for children: novel multi-method epidemiological and economic exemplar

    Noyes, J., Edwards, R. T., Hastings, R. P., Hain, R., Totsika, V., Bennett, V., Hobson, L., Davies, G. R., Humphreys, C., Devins, M., Spencer, L. H. & Lewis, M., 25 Ebr 2013, Yn: BMC Palliative Care. 12, 1, t. Article 18

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. Cyhoeddwyd

    Methylprednisolone Injections for the Treatment of Morton Neuroma: A Patient-Blinded Randomized Trial

    Thomson, C. E., Beggs, I., Martin, D. J., McMillan, D., Edwards, R. T., Russell, D., Yeo, S. T., Russell, I. T. & Gibson, J. N., 1 Mai 2013, Yn: Journal of Bone and Joint Surgery. 95, 9, t. 790-798

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    Micro-Costing in Public Health Economics: Steps Towards a Standardized Framework, Using the Incredible Years Toddler Parenting Program as a Worked Example

    Hutchings, J. M., Charles, J. M., Edwards, R. T., Bywater, T. & Hutchings, J., 1 Awst 2013, Yn: Prevention Science. 14, 4, t. 377-389

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    Cancer of Oesophagus or Gastricus- New Assessment of Technology of Endosonography (COGNATE): report of pragmatic randomised trial

    Russell, I. T., Edwards, R. T., Gliddon, A. E., Ingledew, D. K., Russell, D., Whitaker, R., Yeo, S. T., Attwood, S. E., Barr, H., Nanthakumaran, S. & Park, K. G., 1 Medi 2013, Yn: Health Technology Assessment. 17, 39

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Public health economics: a systematic review of guidance for the economic evaluation of public health interventions and discussion of key methodological issues

    Edwards, R. T., Charles, J. M. & Lloyd-Williams, H., 24 Hyd 2013, Yn: BMC Public Health. 13, t. 1001

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. 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. 1021

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. 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. 405

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Parental depression and child conduct problems: evaluation of parental service use and associated costs after attending the Incredible Years Basic Parenting Programme

    Hutchings, J. M., Charles, J. M., Bywater, T. J., Edwards, R. T., Hutchings, J. & Zou, L., 18 Rhag 2013, Yn: BMC Health Services Research. 2013, 13, t. 523

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. 2014
  46. Cyhoeddwyd

    Patients’ and Carers’ perspectives and preferences for gynaecological cancer follow up after treatment in Wales

    Timmis, L., Morrison, V., Stuart, N. S. A., Leeson, S. C., Whitaker, R., Williams, N. H., Yeo, S. T., Aslam, R. H. & Edwards, R., 2014, t. 18.

    Allbwn ymchwil: Cyfraniad at gynhadleddCrynodebadolygiad gan gymheiriaid

  47. Cyhoeddwyd

    Design of Economic Evaluations of Mindfulness-Based Interventions: Ten Methodological Questions of Which to Be Mindful

    Edwards, R. T., Bryning, L. & Crane, R., 1 Chwef 2014, Yn: Mindfulness. 6, 3, t. 490-500

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  48. Cyhoeddwyd

    Developing and evaluating a child-centred intervention for diabetes medicine management using mixed methods and a multicentre randomised controlled trial

    Spencer, L. H., Sylvestre Garcia, G. Y., Yeo, S. T., Noyes, J., Lowes, L., Whitaker, R., Allen, D., Carter, C., Edwards, R. T., Rycroft-Malone, J., Sharp, J., Edwards, D., Spencer, L., Sylvestre, Y., Yeo, S. & Gregory, J., 1 Maw 2014, Yn: Health Services and Delivery Research. 2, 8, t. -

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Qualitative Exploration of the Suitability of Capability Based Instruments to Measure Quality of Life in Family Carers of People with Dementia

    Jones, C. L., Edwards, R. T. & Hounsome, B., 4 Maw 2014, Yn: ISRN Family Medicine. 2014, t. Article ID 919613

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    Self-management in early-stage dementia: a pilot randomised controlled trial of the efficacy and cost-effectiveness of a self-management group intervention (the SMART study)

    Quinn, C., Anderson, D., Toms, G. R., Whitaker, R., Edwards, R. T., Jones, C. & Clare, L., 8 Maw 2014, Yn: Trials. 2014, 15, t. 74

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  51. 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 gyfnodolynErthygladolygiad gan gymheiriaid

  52. Cyhoeddwyd

    'Putting Life in Years' (PLINY) telephone friendship groups research study: pilot randomised controlled trial

    Mountain, G. A., Hind, D., Gossage-Worrall, R., Walters, S. J., Duncan, R., Newbould, L., Rex, S., Jones, C. L., Bowling, A., Cattan, M., Cairns, A., Cooper, C., Edwards, R. T. & Goyder, E. C., 24 Ebr 2014, Yn: Trials. 15, 141

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  53. Cyhoeddwyd

    'Keep fit' exercise interventions to improve health, fitness and well-being of children and young people who use wheelchairs: mixed-method systematic review protocol.

    O'Brien, T. D., Noyes, J., Spencer, L. H., Kubis, H., Hastings, R. P., Edwards, R. T., Bray, N. & Whitaker, R., 18 Mai 2014, Yn: Journal of Advanced Nursing. 70, 12, t. 2942-2951

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  54. Cyhoeddwyd
  55. Cyhoeddwyd
  56. 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 gyfnodolynErthygladolygiad gan gymheiriaid