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by Machin, David; Fayers, Peter M.; Tai, Bee Choo
by Fayers, Peter M.; Machin, David
by Machin, David; Fayers, Peter M.
by Fayers, Peter; Hays, Ron
by Fayers, Peter; Machin, David
by Peter Fayers (Medical Research Council Clinical Trials Unit, London, UK<); David Machin (School of Health and Related Research, University of Sheffield, UK)
by Fayers, Peter M.
by David Machin (Medical Statistics Unit, School of Health and Related Sciences, University of Sheffield, UK and Children?s Cancer and Leukaemia Group, University of Leicester, UK); Peter Fayers (Department of Public Health, University of Aberdeen, UK a
by Machin, David; Fayers, Peter
by Staquet, Maurice J.; Hays, Ron D.; Fayers, Peter M.