Randomised controlled trials in overweight children: Practicalities and realitiesDr JANET M. WARREN; REBECCA K. GOLLEY; CLARE E. COLLINS; ANTHONY D. OKELY; RACHEL A. JONES; PHILIP J. MORGAN; REBECCA A. PERRY; LOUISE A. BAUR; JULIE R. STEELE; ANTHEA M. MAGAREY · 2007