Coleg Meddygaeth ac Iechyd

  1. Cyhoeddwyd

    This time it’s personal: reappraisal after acquired brain injury

    Rowlands, L., Coetzer, R. & Turnbull, O., 17 Chwef 2021, Yn: Cognition and Emotion. 35, 2, t. 305-323

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  2. Cyhoeddwyd

    Good things better? Reappraisal and discrete emotions in Acquired Brain Injury

    Rowlands, L., Coetzer, B. & Turnbull, O., 25 Tach 2020, Yn: Neuropsychological Rehabilitation. 30, 10, t. 1947-1975

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    The effect of type of physical activity measure on the relationship between body fatness and habitual physical activity in children: a meta-analysis

    Rowlands, A. V., Ingledew, D. K. & Eston, R. G., 1 Medi 2000, Yn: Annals of Human Biology. 27, 5, t. 479-497

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  4. Cyhoeddwyd

    Relationship between bone mass and habitual physical activity and calcium intake in 8-11-year-old boys and girls.

    Rowlands, A. V., Powell, S. M., Eston, R. G. & Ingledew, D. K., 1 Tach 2002, Yn: Pediatric Exercise Science. 14, 4, t. 358-368

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Interactive effects of habitual physical activity and calcium intake on bone density in boys and girls.

    Rowlands, A. V., Ingledew, D. K., Powell, S. M. & Eston, R. G., 1 Hyd 2004, Yn: Journal of Applied Physiology. 97, 4, t. 1203-1208

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    Effect of stride length manipulation on symptoms of exercise-induced muscle damage and the repeated bout effect.

    Rowlands, A. V., Eston, R. G. & Tilzey, C., 1 Mai 2001, Yn: Journal of Sports Sciences. 19, 5, t. 333-340

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    Validation of the RT3 triaxial accelerometer for the assessment of physical activity.

    Rowlands, A. V., Thomas, P. W., Eston, R. G. & Topping, R., 1 Maw 2004, Yn: Medicine and Science in Sports and Exercise. 36, 3, t. 518-524

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    Physical activity levels of Hong Kong Chinese children: Relationship with body fat.

    Rowlands, A. V., Eston, R. G., Louie, L., Ingledew, D. K., Tong, K. K. & Fu, F. H., 1 Awst 2002, Yn: Pediatric Exercise Science. 14, 3, t. 286-296

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    Effects of ketamine on anterior cingulate glutamate metabolism in healthy humans: A 4-T proton MRS study.

    Rowland, L. M., Bustillo, J. R., Mullins, P. G., Jung, R. E., Lenroot, R., Landgraf, E., Barrow, R., Yeo, R., Lauriello, J. & Brooks, W. M., 1 Chwef 2005, Yn: American Journal of Psychiatry. 162, 2, t. 394-396

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    Assessing the comparative feasibility, acceptability and equivalence of videoconference interviews and face-to-face interviews using the time trade-off technique

    Rowen, D., Mukuria, C., Bray, N., Carlton, J., Longworth, L., Meads, D., O'Neill, C., Shah, K. & Yang, Y., Medi 2022, Yn: Social Science and Medicine. 309, t. 115227

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    HTA213 Undertaking Studies to Inform Public Policy: Managing Data Collection to Ensure Data Quality in the EQ-5D-5L UK Valuation Through the Use of Independent Quality Control Assessments

    Rowen, D., Mukuria, C., Cooper, S., Bray, N., Carlton, J., Longworth, L., Meads, D., Oluboyede, Y., O'Neill, C. & Yang, Y., 2023, Yn: Value in Health. 26, 12, t. S361

    Allbwn ymchwil: Cyfraniad at gyfnodolynCrynodeb Cyfarfod

  12. Cyhoeddwyd

    HTA135 Accessibility and Inclusivity for People Participating in Health Preference Research: How Does the Mode of Administering an Interview Impact on Time Trade-Off Studies?

    Rowen, D., Mukuria, C., Cooper, S. J., Bray, N., Carlton, J., Longworth, L., Meads, D., O'Neill, C., Shah, K. & Yang, Y., Rhag 2022, Yn: Value in Health. 25, 12, t. S322-S323

    Allbwn ymchwil: Cyfraniad at gyfnodolynCrynodeb Cyfarfod

  13. Cyhoeddwyd

    A neuroanatomical and cognitive model of impaired social behaviour in frontotemporal dementia

    Rouse, M. A., Binney, R. J., Patterson, K., Rowe, J. B. & Lambon Ralph, M. A., 3 Meh 2024, Yn: Brain. 147, 6, t. 1953-1966 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygl adolyguadolygiad gan gymheiriaid

  14. Cyhoeddwyd

    The corpus callosum in schizophrenia-volume and connectivity changes affect specific regions.

    Rotarska-Jagiela, A., Schonmeyer, R., Oertel, V., Haenschel, C., Vogeley, K. & Linden, D., 15 Chwef 2008, Yn: Neuroimage. 39, 4, t. 1522-1532

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    Anatomical brain connectivity and positive symptoms of schizophrenia: A diffusion tensor imaging study.

    Rotarska-Jagiela, A., Oertel-Knoechel, V., DeMartino, F., Van de Ven, V., Formisano, E., Roebroeck, A., Rami, A., Schoenmeyer, R., Haenschel, C., Hendler, T., Maurer, K., Vogeley, K. & Linden, D. E., 30 Hyd 2009, Yn: Psychiatry Research - Neuroimaging. 174, 1, t. 9-16

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    Dietary nitrate supplementation increases acute mountain sickness severity and sense of effort during hypoxic exercise

    Rossetti, G., Macdonald, J., Wylie, L. J., Little, S., Newton, V., Wood, B., Hawkins, K., Beddoe, R., Davies, H. E. & Oliver, S., Hyd 2017, Yn: Journal of Applied Physiology. 123, 4, t. 983-992

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. Cyhoeddwyd

    MEDEX2015: Greater sea-level fitness is associated with lower sense of effort during Himalayan trekking without worse Acute Mountain Sickness

    Rossetti, G., Macdonald, J., Smith, M., Jackson, A., Callender, N., Newcombe, H. K., Storey, H., Willis, S., van den Beukel, J., Woodward, J., Pollard, J., Wood, B., Newton, V., Virian, J., Haswell, O. & Oliver, S., 1 Meh 2017, Yn: High Altitude Medicine and Biology. 18, 2, t. 152-162

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    Reversal of neurovascular coupling in the default mode network: Evidence from hypoxia

    Rossetti, G., d'Avossa, G., Rogan, M., Macdonald, J., Oliver, S. & Mullins, P., Ebr 2021, Yn: Journal of Cerebral Blood Flow and Metabolism. 41, 4, t. 805–818 14 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    Hypoxia-induced endothelial dysfunction: Could targeting oxidative stress provide protection?

    Rossetti, G., Oliver, S., Sandoo, A. & Macdonald, J., 26 Mai 2023, Yn: Experimental Physiology. 108, 8, t. 1026-1028 3 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    Augensprünge.

    Rosenberg, R., Betz, J. & Klein, C., 1 Ion 2008, Bildwelten des Wissens. Kunsthistorisches Jahrbuch für Bildkritik: Bd. 6. 2008 gol. Akademie Verlag Gmbh, t. 127-129

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennod

  21. Cyhoeddwyd

    Cerebral Torque in Nonhuman Primates

    Ronan, E., Winder, I. C. & Shaw, V., 18 Rhag 2019.

    Allbwn ymchwil: Cyfraniad at gynhadleddMurlenadolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Verging On Insanity: A genetic analysis of schizophrenia susceptibility in the hominoids

    Ronan, E., Shaw, V. & Winder, I. C., Ebr 2020.

    Allbwn ymchwil: Cyfraniad at gynhadleddCrynodebadolygiad gan gymheiriaid

  23. Cyhoeddwyd

    World knowledge and novel information integration during L2 Speech comprehension

    Romero-Rivas, C., Corey, J. D., Garcia, X., Thierry, G. L., Martin, C. D. & Costa, A., Mai 2017, Yn: Bilingualism: Language and Cognition. 20, 3, t. 576-587

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    Bayesian Reasoning with Emotional Material in Patients with Schizophrenia

    Romero-Ferreiro, V., Susi, R., Sanchez Morla, E. M., Mari-Beffa, P., Rodriguez-Gomez, P., Amador, J., Moreno, E. M., Romero Ferreiro, C., Martinez-Garcia, N. & Rodriguez-Jimenez, R., 3 Tach 2022, Yn: Frontiers in Psychology. 13, 8 t., 6768.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

    Cognitive versus emotional modulation within a Stroop paradigm in patients with schizophrenia

    Romero-Ferreiro, V., Garcia-Gutierrez, A., Torio, I., Mari-Beffa, P., Rodriguez-Gomez, P., Perianez, J. A., Moreno, E. M., Romero, C., Alvarez-Mon, M. A. & Rodriguez-Jimenez, R., 18 Ion 2023, Yn: British Journal of Psychology. 9, 1, 6 t., e19.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    Emotional Processing Profile in Patients with First Episode Schizophrenia: The Influence of Neurocognition

    Romero-Ferreiro, V., Garcia-Fernandez, L., Aparicio, A. I., Martinez-Gtras, I., Dompablo, M., Sanchez-Pastor, L., Rentero, D., Alvarez-Mon, M. A., Espejo Saavedra, J. M., Lahera, G., Mari-Beffa, P., Santos, J. L. & Rodriguez-Jimenez, R., 6 Ebr 2022, Yn: Journal of Clinical Medicine. 11, 7, 8 t., 2044.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. E-gyhoeddi cyn argraffu

    The Bangor Gambling Task: Computerized replication and reappraisal of an emotion-based decision task

    Rojas-Líbano, D., Zúñiga, J., Corrales, V., Pino, P., Infante, M., Turnbull, O. H., Bowman, C. & Salas, C., 13 Ion 2023, (E-gyhoeddi cyn argraffu) Yn: Applied Neuropsychology: Adult. 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    Genetic Interaction Score (S-Score) Calculation, Clustering, and Visualization of Genetic Interaction Profiles for Yeast.

    Roguev, A., Ryan, C. J., Xu, J., Colson, I., Hartsuiker, E. & Krogan, N., Chwef 2018, Yn: Cold Spring Harbor Protocols. 2018, 2

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. Cyhoeddwyd

    High-Throughput Quantitative Genetic Interaction Mapping in the Fission Yeast Schizosaccharomyces pombe.

    Roguev, A., Ryan, C. J., Hartsuiker, E. & Krogan, N. J., Chwef 2018, Yn: Cold Spring Harbor Protocols. 2018, 2, t. 75-81 7 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Improving quality of life through the routine use of the patient concerns inventory for head and neck cancer patients: baseline results in a cluster preference randomised controlled trial

    Rogers, S. N., Allmark, C., Bekiroglu, F., Edwards, R. T., Fabbroni, G., Flavel, R., Highet, V., Ho, M. W. S., Humphris, G. M., Jones, T. M., Khattak, O., Lancaster, J., Loh, C., Lowe, D., Lowies, C., Macareavy, D., Moor, J., Ong, T. K., Prasai, A., Roland, N., Semple, C., Spencer, L. H., Tandon, S., Thomas, S. J., Schache, A., Shaw, R. J. & Kanatas, A., Rhag 2020, Yn: European Archives of Oto-Rhino-Laryngology. 277, 12, t. 3435-3447 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  31. Cyhoeddwyd

    I Want to Help You, But I Am Not Sure Why: Gaze-Cuing Induces Altruistic Giving

    Rogers, R. D., Bayliss, A. P., Szepietowska, A., Dale, L., Reeder, L., Pizzamiglio, G., Czarna, K., Wakeley, J., Cowen, P. J. & Tipper, S. P., Ebr 2014, Yn: Journal of Experimental Psychology: General. 143, 2, t. 763-777

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

    Gambling as a public health issue in Wales

    Rogers, R., Wardle, H., Sharp, C., Wood, S., Hughes, K., Davies, T., Dymond, S. & Bellis, M., 29 Ion 2019, Bangor University.

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwnadolygiad gan gymheiriaid

  33. Cyhoeddwyd

    A scoping investigation of eye-tracking in Electronic Gambling Machine (EGM) play

    Rogers, R., Butler, J., Millard, S., Cristino, F., Davitt, L. & Leek, C., 24 Maw 2017, Yn: Gamble Aware . t. 1 41 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  34. Cyhoeddwyd

    Framing a public health approach to gambling harms in Wales: Challenges and opportunities

    Rogers, R., Wardle, H., Sharp, C., Dymond, S., Davies, T., Hughes, K. & Astbury, G., 29 Ion 2019, Bangor University.

    Allbwn ymchwil: Llyfr/AdroddiadAdroddiad Comisiwnadolygiad gan gymheiriaid

  35. Cyhoeddwyd

    Deep brain stimulation of the subthalamic nucleus transiently enhances loss-chasing behaviour in patients with Parkinson's Disease

    Rogers, R., Rogers, R. D., Wielenberg, B., Wojtecki, L., Elben, S., Campbell-Meiklejohn, D. & Schnitzler, A., 1 Medi 2011, Yn: Experimental Neurology. 231, 1, t. 181-189

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    Improving Accuracy of Risk Prediction for Violence: Does Changing the Outcome Matter?

    Rogers, R., Coid, J. W., Yang, M., Ullrich, S., Zhang, T., Sizmur, S., Farrington, D. P., Freestone, M. & Rogers, R. D., 31 Maw 2015, Yn: International Journal of Forensic Mental Health. 14, 1, t. 23-32

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. Cyhoeddwyd

    Short-Term Quetiapine Treatment Alters the Use of Reinforcement Signals during Risky Decision-Making and Promotes the Choice of Negative Expected Values in Healthy Adult Males

    Rogers, R., Rock, P. L., Harmer, C. J., McTavish, S. F., Goodwin, G. M. & Rogers, R. D., 25 Medi 2013, Yn: Journal of Neuroscience. 33, 39, t. 15588-15595

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. Cyhoeddwyd

    A Selective Role for Dopamine D4 Receptors in Modulating Reward Expectancy in a Rodent Slot Machine Task

    Rogers, R., Cocker, P. J., Le Foll, B., Rogers, R. D. & Winstanley, C. A., 15 Mai 2014, Yn: Biological Psychiatry. 75, 10, t. 817-824

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    Dopamine Modulates Risk-Taking as a Function of Baseline Sensation-Seeking Trait

    Rogers, R., Norbury, A., Manohar. S.*, N. V., Rogers, R. D. & Hussain, M., 7 Awst 2013, Yn: Journal of Neuroscience. 33, 32, t. 12982-12986

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  40. Cyhoeddwyd

    Systemic Administration of 8-OH-DPAT and Eticlopride, but not SCH23390, Alters Loss-Chasing Behavior in the Rat

    Rogers, R., Wong, A., McKinnon, C. & Winstanley, C. A., 1 Mai 2013, Yn: Neuropsychopharmacology. 38, t. 1094-1104

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Altered neural correlates of reward and loss processing during simulated slot-machine fMRI in pathological gambling and cocaine dependence

    Rogers, R., Worhunsky, P. D., Malison, R. T., Rogers, R. D. & Potenza, M. N., 4 Tach 2014, Yn: Drug and Alcohol Dependence. 145, t. 77-86

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. Cyhoeddwyd

    Dissociable effects of basolateral amygdala lesions on decision making biases in rats when loss or gain is emphasized

    Rogers, R., Tremblay, M., Cocker, P. J., Hosking, J. G., Zeeb, F. D., Rogers, R. D. & Winstanley, C. A., 26 Maw 2014, Yn: Cognitive, Affective, and Behavioral Neuroscience. 14, 4, t. 1184-1195

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. Cyhoeddwyd

    fMRI evidence for procedural invariance underlying gambling preference reversals.

    Rogers, R., Hinvest, N. S., Bronsan, M. J., Rogers, R. D. & Hodgson, T. L., 3 Maw 2014, Yn: Journal of Neuroscience, Psychology, and Economics. 7, 1, t. 48-63

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Impulsivity and predictive control are associated with suboptimal action-selection and action-value learning in regular gamblers

    Rogers, R., Lim, M. S., Jocham, G., Hunt, L. T., Behrens, T. E. & Rogers, R. D., 15 Tach 2015, Yn: International Gambling Studies. 15, 3, t. 489-505

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    Neuropsychological testing of cognitive impairment in euthymic bipolar disorder: an individual patient data meta-analysis

    Rogers, R., Bourne, C., Aydemir, Ö., Balanzá-Martínez, V., Bora, E., Brissos, S., Cavanagh, J. T., Clark, L., Cubukcuoglu, Z., Dias, V. V., Dittmann, S., Ferrier, I. N., Fleck, D. E., Frangou, S., Gallagher, P., Jones, L., Kieseppä, T., Martínez-Aran, A., Melle, I., Moore, P. B., Mur, M., Pfennig, A., Senturk, V., Simonsen, C., Smith, D. J., Bio, D. S., Soeiro-de-Souza, M. G., Stoddart, S. D., Sundet, K., Szöke, A., Thompson, J. M., Torrent, C., Zalla, T., Craddock, N., Andreassen, O. A., Leboyer, M., Vieta, E., Bauer, M., Worhunsky, P. D., Tzagarakis, C., Rogers, R. D., Geddes, J. R. & Goodwin, G. M., 1 Medi 2013, Yn: Acta Psychiatrica Scandinavica. 128, 3, t. 149-162

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  46. Cyhoeddwyd

    Dopamine Modulates Reward Expectancy During Performance of a Slot Machine Task in Rats: Evidence for a ‘Near-miss’ Effect

    Rogers, R., Winstanley, C. A., Cocker, P. J. & Rogers, R. D., 5 Ion 2011, Yn: Neuropsychopharmacology. 36, t. 913-925

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. Cyhoeddwyd

    In for a Penny, in for a Pound: Methylphenidate Reduces the Inhibitory Effect of High Stakes on Persistent Risky Choice

    Rogers, R., Campbell-Meiklejohn, D., Simonsen, A., Scheel-Krüger, J., Wohlert, V., Gjerløff, T., Frith, C. D., Rogers, R. D., Roepstorff, A. & Møller, A., 19 Medi 2012, Yn: Journal of Neuroscience. 32, 38, t. 13032-13038

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  48. Cyhoeddwyd

    White matter alterations in antipsychotic- and mood stabilizer-naïve individuals with bipolar II/NOS disorder

    Rogers, R., Yip, S. W., Chandler, R. A., Rogers, R. D., Mackay, C. E. & Goodwin, G. M., 13 Awst 2013, Yn: NeuroImage: Clinical. 3, t. 271-278

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Gambling problems in bipolar disorder in the UK: prevalence and distribution

    Rogers, R., Jones, L., Metcalf, A., Gordon-Smith, K., Forty, L., Perry, A., Lloyd, J., Geddes, J. R., Goodwin, G. M., Jones, I., Craddock, N. & Rogers, R. D., 1 Hyd 2015, Yn: British Journal of Psychiatry. 207, 4, t. 328-333

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    The common bipolar phenotype in young people

    Rogers, R., Rock, P. L., Chandler, R. A., Harmer, C. J., Rogers, R. D. & Goodwin, G. M., 1 Hyd 2013, Yn: International Journal of Bipolar Disorders. 1, 19, t. 1-6

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid