Contamination in trials : is cluster randomisation the answer?TORGERSON, David J.BMJ. British medical journal (International ed.). 2001, Vol 322, Num 7282, pp 355-357, issn 0959-8146Article

Economic modelling before clinical trialsTORGERSON, David J; BYFORD, Sarah.BMJ. British medical journal (International ed.). 2002, Vol 325, Num 7355, issn 0959-8146, p. 98Article

Sample size calculations for pilot randomized trials: a confidence interval approachCOCKS, Kim; TORGERSON, David J.Journal of clinical epidemiology. 2013, Vol 66, Num 2, pp 197-201, issn 0895-4356, 5 p.Article

Effect of regression to the mean on decision making in health careMORTON, Veronica; TORGERSON, David J.BMJ. British medical journal (International ed.). 2003, Vol 326, Num 7398, pp 1083-1084, issn 0959-8146, 2 p.Article

Using short information leaflets as recruitment tools did not improve recruitment: a randomized controlled trialBRIERLEY, Gwen; RICHARDSON, Rachel; TORGERSON, David J et al.Journal of clinical epidemiology. 2012, Vol 65, Num 2, pp 147-154, issn 0895-4356, 8 p.Article

Evidence for risk of bias in cluster randomised trials: review of recent trials published in three general medical journalsPUFFER, Suezann; TORGERSON, David J; WATSON, Judith et al.BMJ. British medical journal (International ed.). 2003, Vol 327, Num 7418, pp 785-787, issn 0959-8146, 3 p.Article

Cost effectiveness calculations and sample sizeTORGERSON, David J; CAMPBELL, Marion K.BMJ. British medical journal (International ed.). 2000, Vol 321, Num 7262, issn 0959-8146, p. 697Article

Is restricted randomisation necessary?HEWITT, Catherine E; TORGERSON, David J.BMJ. British medical journal (International ed.). 2006, Vol 332, Num 7556, pp 1506-1508, issn 0959-8146, 3 p.Article

Converting international cost effectiveness data to UK pricesGOSDEN, Toby B; TORGERSON, David J.BMJ. British medical journal (International ed.). 2002, Vol 325, Num 7358, pp 275-276, issn 0959-8146Article

Hormone replacement therapy and prevention of nonvertebral fractures a meta-analysis of randomized TrialsTORGERSON, David J; BELL-SYER, Sally E. M.JAMA, the journal of the American Medical Association. 2001, Vol 285, Num 22, pp 2891-2897, issn 0098-7484Article

Publicity does not increase recruitment to falls prevention trials: the results of two quasi-randomized trialsPIGHILLS, Alison; TORGERSON, David J; SHELDON, Trevor et al.Journal of clinical epidemiology. 2009, Vol 62, Num 12, pp 1332-1335, issn 0895-4356, 4 p.Article

Individual allocation had an advantage over cluster randomization in statistical efficiency in some circumstancesHEWITT, Catherine E; TORGERSON, David J; MILES, Jeremy N. V et al.Journal of clinical epidemiology. 2008, Vol 61, Num 10, pp 1004-1008, issn 0895-4356, 5 p.Article

A systematic review of the effects of calcium supplementation on body weightTROWMAN, Rebecca; DUMVILLE, Jo C; HAHN, Seokyung et al.British journal of nutrition. 2006, Vol 95, Num 6, pp 1033-1038, issn 0007-1145, 6 p.Article

Potential for technical errors and subverted allocation can be reduced if certain guidelines are followed : Examples from a web-based surveyHEWITT, Catherine E; TORGERSON, David J; BERGER, Vance W et al.Journal of clinical epidemiology. 2009, Vol 62, Num 3, pp 261-269, issn 0895-4356, 9 p.Article

Economic evaluations of interventions for the prevention and treatment of osteoporosis : a structured review of the literatureFLEURENCE, Rachael L; IGLESIAS, Cynthia P; TORGERSON, David J et al.Osteoporosis international. 2006, Vol 17, Num 1, pp 29-40, issn 0937-941X, 12 p.Article

Review of randomised trials using the post-randomised consent (Zelen's) designADAMSON, Joy; COCKAYNE, Sarah; PUFFER, Suezann et al.Contemporary clinical trials. 2006, Vol 27, Num 4, pp 305-319, issn 1551-7144, 15 p.Article

The impact of trial baseline imbalances should be considered in systematic reviews : a methodological case studyTROWMAN, Rebecca; DUMVILLE, Jo C; TORGERSON, David J et al.Journal of clinical epidemiology. 2007, Vol 60, Num 12, pp 1229-1233, issn 0895-4356, 5 p.Article

Environmental Assessment and Modification to Prevent Falls in Older PeoplePIGHILLS, Alison C; TORGERSON, David J; SHELDON, Trevor A et al.Journal of the American Geriatrics Society. 2011, Vol 59, Num 1, pp 26-33, issn 0002-8614, 8 p.Article

Electronic reminders did not improve postal questionnaire response rates or response times: a randomized controlled trialMAN, Mei-See; TILBROOK, Helen E; JAYAKODY, Shalmini et al.Journal of clinical epidemiology. 2011, Vol 64, Num 9, pp 1001-1004, issn 0895-4356, 4 p.Article

Cost effectiveness analysis of larval therapy for leg ulcersSOARES, Marta O; IGLESIAS, Cynthia P; BLAND, J. Martin et al.BMJ. British medical journal (International ed.). 2009, Vol 338, Num 7702, pp 1050-1054, issn 0959-8146, 5 p.Article

Vitamin k and the prevention of fractures : Systematic review and meta-analysis of randomized controlled trialsCOCKAYNE, Sarah; ADAMSON, Joy; LANHAM-NEW, Susan et al.Archives of internal medicine (1960). 2006, Vol 166, Num 12, pp 1256-1261, issn 0003-9926, 6 p.Article

Long-Term Follow-Up for Mortality and Cancer in a Randomized Placebo-Controlled Trial of Vitamin D₃ and/or Calcium (RECORD Trial)AVENELL, Alison; MACLENNAN, Graeme S; FRANCIS, Roger M et al.The Journal of clinical endocrinology and metabolism. 2012, Vol 97, Num 2, pp 614-622, issn 0021-972X, 9 p.Article

The Quality of Trials in Operative SurgeryWALTER, Catherine J; DUMVILLE, Jo C; HEWITT, Catherine E et al.Annals of surgery. 2007, Vol 246, Num 6, pp 1104-1109, issn 0003-4932, 6 p.Conference Paper

Adequacy and reporting of allocation concealment : review of recent trials published in four general medical journalsHEWITT, Catherine; HAHN, Seokyung; TORGERSON, David J et al.BMJ. British medical journal (International ed.). 2005, Vol 330, Num 7499, pp 1057-1058, issn 0959-8146, 2 p.Article

Randomised controlled trial of supplementation with calcium and cholecalciferol (vitamin D₃) for prevention of fractures in primary carePORTHOUSE, Jill; COCKAYNE, Sarah; IGLESIAS, Cynthia et al.BMJ. British medical journal (International ed.). 2005, Vol 330, Num 7498, pp 1003-1006, issn 0959-8146, 4 p.Article