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  1. Cyhoeddwyd

    Current Challenges in Bilingual Education in Wales.

    Lewis, W. G., Cenoz, J. (gol.) & Gorter, D. (gol.), 1 Ion 2009, Multilingualism and Minority Languages: v. 21: Achievements and Challenges in Education. 2009 gol. John Benjamins Publishing, t. 69-86

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

  2. Cyhoeddwyd

    Second Language Learning with 11 to 16 year olds: The Case of Teaching Welsh in English-medium Schools in Wales

    Lewis, W. G., 1 Ion 2008.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

  3. Cyhoeddwyd

    Translanguaging: origins and development from school to street and beyond

    Lewis, W. G., Jones, B. & Baker, C., 29 Awst 2012, Yn: Educational Research and Evaluation: An International Journal on Theory and Practice. 18, 7, t. 641-654

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

  4. Cyhoeddwyd

    The learner's voice: exploring bilingual children's selective language use and perceptions of minority language competence

    Lewis, W. G., Thomas, E. M., Apolloni, D. & Lewis, G., 8 Ion 2014, Yn: Language and Education. 28, 4, t. 340-361

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

  5. Cyhoeddwyd

    Addysg Gynradd Gymraeg: Trochi a Chyfoethogi Disgyblion.

    Lewis, W. G., 1 Rhag 2003, Yn: Cylchgrawn Addysg Cymru/The Welsh Journal of Education. 12, 2, t. 49-64

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

  6. Cyhoeddwyd

    Addysg drochi yng Nghymru: Methodolegau a sialensau.

    Lewis, W. G. & Osmond, J. (gol.), 1 Ion 2008, Creu Cymru Ddwyieithog – Rôl y Gymraeg mewn Addysg. 2008 gol. Institute of Welsh Affairs

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

  7. Cyhoeddwyd

    Translanguaging: developing its conceptualisation and contextualisation

    Lewis, W. G., Jones, B. & Baker, C., 29 Awst 2012, Yn: Educational Research and Evaluation: An International Journal on Theory and Practice. 18, 7, t. 655-670

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

  8. Cyhoeddwyd

    Current Challenges in Bilingual Education in Wales.

    Lewis, W. G., 1 Ion 2008.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

  9. Cyhoeddwyd

    Addysg ddwyieithog yn yr unfed ganrif ar hugain: adolygu'r cyd-destun rhyngwladol.

    Lewis, W. G., 1 Ion 2011, Yn: Gwerddon. 7, t. online

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

  10. Cyhoeddwyd

    Teacher Training for Multilingual Education

    Lewis, W. G., 1 Ion 2008.

    Allbwn ymchwil: Cyfraniad at gynhadledd › Papur

  11. Cyhoeddwyd

    100 Bilingual Lessons: Distributing two languages in classrooms

    Lewis, W. G., Lewis, G., Jones, B., Baker, C., Abello-Contesse, C. (gol.), Chandler, P. (gol.), López-Jiménez, M. D. (gol.), Torreblanca-López, M. M. (gol.) & Chacón-Beltrán, R. (gol.), 30 Hyd 2013, Bilingualism and Multiligualism in School Settings. 2013 gol.

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

  12. Cyhoeddwyd

    Datblygiad Iaith yng Nghylchoedd Mudiad Ysgolion Meithrin.

    Lewis, W. G. & Gareth, E., 1 Meh 2004, Yn: Cylchgrawn Addysg Cymru/The Welsh Journal of Education. 13, 1, t. 44-68

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

  13. Cyhoeddwyd

    Cymraeg Iaith Gyntaf yn yr Ysgol Uwchradd.

    Lewis, W. G., Roberts, G. (gol.) & Williams, C. (gol.), 1 Ion 2003, Addysg Gymraeg - Addysg Gymreig. 2003 gol. Prifysgol Cymru Bangor, t. 208-237

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod

  14. Cyhoeddwyd

    Lexicon

    Lewis, W. G., 1 Ion 2012

    Allbwn ymchwil: Ffurf annhestunol › Cyfansoddiad

  15. Cyhoeddwyd

    Ecosystem service flows across the rural-urban spectrum

    Lewis, S., Devenish, K., Dolan, R., Garraty, T. A. ON., Okosun, O. S., Scowen, M., Welivita, I. & Willcock, S., 1 Gorff 2022, Exploring the Multiple Values of Nature - Connecting Ecosystems and People across Landscapes. Springer Nature, 8 t.

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod › adolygiad gan gymheiriaid

  16. E-gyhoeddi cyn argraffu

    Comparative sanitation data from high-frequency phone surveys across 3 countries.

    Lewis, S., Andrew Bell, Ana Casas, Beata Kupiec-Teahan, José Mendoza Sanchez, Willcock, S., Fiona Anciano, Dani J. Barrington, Mmeli Dube, Paul Hutchings, Caroline Karani, Arturo Llaxacondor, Hellen López, Anna L. Mdee, Alesia D. Ofori, Joy N. Riungu, Kory C. Russel & Alison H. Parker, 1 Awst 2024, Yn: Data in Brief. 23 t., 110635.

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

  17. Cyhoeddwyd

    Gwerthusiad Proses o'r Rhaglen Cymraeg i Blant: Process Evaluation of the Cymraeg for Kids Programme

    Lewis, S., Thomas, H., Grover, T., Glyn, E., Prys, C., Hodges, R. & Roberts, E., 12 Chwef 2019, Welsh Government.

    Allbwn ymchwil: Llyfr/Adroddiad › Adroddiad Comisiwn

  18. Cyhoeddwyd

    Effective process or dangerous precipice: qualitative comparative embedded case study with young people with epilepsy and their parents during transition from children's to adult services

    Lewis, S. & Noyes, J., 16 Hyd 2013, Yn: BMC Pediatrics. 13, t. 169

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

  19. Cyhoeddwyd

    Knowledge and information needs of young people with epilepsy and their parents: mixed-method systematic review.

    Lewis, S. A., Noyes, J. & Mackereth, S., 31 Rhag 2010, Yn: BMC Pediatrics. 10, t. 103

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

  20. Cyhoeddwyd

    Systematic review of epilepsy self-management interventions integrated with a synthesis of children and young people's views and experiences

    Lewis, S. A., Noyes, J. & Hastings, R. P., 17 Awst 2014, Yn: Journal of Advanced Nursing. 71, 3, t. 478–497

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

  21. Cyhoeddwyd

    Randomised controlled trial of cognitive-behavioural therapy in early schizophrenia: acute-phase outcomes.

    Lewis, S., Tarrier, N., Haddock, G., Bentall, R. P., Kinderman, P., Kingdon, D., Siddle, R., Drake, R., Everitt, J., Leadley, K., Benn, A., Grazebrook, K., Haley, C., Akhtar, S., Davies, L., Palmer, S., Faragher, B. & Dunn, G., 1 Medi 2002, Yn: British Journal of Psychiatry. 181, Supplement 43, t. S91-S97

    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

    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

  24. 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

  25. 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

  26. 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

  27. 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

  28. Cyhoeddwyd

    A systematic review of cancer waiting time audits

    Lewis, R., Collins, R., Flynn, A., Dean, M. E., Myers, L., Wilson, P. & Eastwood, A., 2005, Centre for Reviews and Dissemination (CRD) University of York. 127 t.

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

  29. 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

  30. 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

  31. 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

  32. 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

  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. 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

  35. Cyhoeddwyd

    Factors associated with lung cancer survival – systematic mapping review and overview of systematic reviews

    Lewis, R., Hendry, M., Din, N., Nafees, S., Hendry, A., Neal, R. & Parsonage, R., Rhag 2017, 100 t.

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

  36. Cyhoeddwyd

    A bespoke rapid evidence review process engaging stakeholders for supporting evolving and time-sensitive policy and clinical decision-making: reflection and lessons learned from the Wales Covid-19 Evidence Centre 2021-23

    Lewis, R., Cooper, A., Jarrom, D., Mann, M., Law, R-J., Edwards, D., Carrier, J., Shaw, H., Winfield, T., Spencer, L., Noyes, J., Morgan, H., Washington, J., Hasler, E., Gal, M., Doe, E., Joseph-Williams, N. & Edwards, A., 23 Ion 2024, Research Square.

    Allbwn ymchwil: Papur gweithio › Rhagargraffiad

  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

    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

  39. 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

  40. 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

  41. Cyhoeddwyd

    The Hip & Knee Book

    Lewis, R. A., Wilkinson, C. E., Neal, R. D., Williams, N. H., Williams, N., Amoakwa, E., Burton, K., Hendry, M., Lewis, R., Jones, J., Bennett, P., Neal, R., Andrew, G. & Wilkinson, C., 1 Ion 2009, The Stationary Office.

    Allbwn ymchwil: Llyfr/Adroddiad › Llyfr

  42. Cyhoeddwyd

    Artificial Life and Intelligent Agents: Second International Symposium, ALIA 2016, Birmingham, UK, June 14-15, 2016, Revised Selected Papers

    Lewis, P. (gol.), Headleand, C., Battle, S. (gol.) & Ritsos, P. D. (gol.), Ebr 2018, 149 t. (Communications in Computer and Information Science)

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

  43. Cyhoeddwyd

    Effects of pathogens and insect herbivores on plant dynamics and diversity across a natural rainfall gradient

    Lewis, O. T. & Markesteijn, L., 23 Chwef 2016.

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

  44. Cyhoeddwyd

    Characteristics of the velocity profile at tidal-stream energy sites

    Lewis, M., Neill, S., Robins, P., Hashemi, M. R. & Ward, S., Rhag 2017, Yn: Renewable Energy. 114, Part A, t. 258-272

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

  45. Cyhoeddwyd

    Influence of storm surge on tidal range energy

    Lewis, M., Angeloudis, A., Robins, P., Evans, P. S. & Neill, S., Maw 2017, Yn: Energy. 122, t. 25-36

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

  46. Cyhoeddwyd

    A standardised tidal-stream power curve, optimised for the global resource

    Lewis, M., O'Hara Murray, R., Fredriksson, S., Maskell, J., de Fockert, A., Neill, S. & Robins, P., 1 Meh 2021, Yn: Renewable Energy. 170, t. 1308-1323

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

  47. Cyhoeddwyd

    Wave-tide interaction modulates nearshore wave height

    Lewis, M. J., Palmer, T., Hashemi, R., Robins, P., Saulter, A., Brown, J., Lewis, H. & Neill, S., Maw 2019, Yn: Ocean Dynamics. 69, 3, t. 367-384

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

  48. Cyhoeddwyd

    Power variability of tidal-stream energy and implications for electricity supply

    Lewis, M., McNaughton, J., Márquez-Dominguez, C., Todeschini, G., Togneri, M., Masters, I., Allmark, M., Stallard, T., Neill, S., Goward Brown, A. & Robins, P., 15 Medi 2019, Yn: Energy. 183, t. 1061-1074

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

  49. Cyhoeddwyd

    Risk management and clinical governance for complex home-based health care

    Lewis, M. & Noyes, J., Gorff 2007, Yn: Paediatric Nursing. 19, 6, t. 23-8 6 t.

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

  50. Cyhoeddwyd

    Quantifying the Uncertainty in Future Coastal Flood Risk Estimates for the U.K

    Lewis, M. J., Horsburgh, K., Bates, P. & Smith, R., 1 Medi 2011, Yn: Journal of Coastal Research. 27, 5, t. 870-881

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

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