Complex interventions: how "out of control" can a randomised controlled trial be?
Hawe
Penelope
P
Department of Community Health Sciences, University of Calgary, 3330 Hospital Drive NW, Calgary T2N 4N1, Alberta, Canada. phawe@ucalgary.ca
Shiell
Alan
A
Riley
Therese
T
D016032:Randomized Controlled Trials as Topic / Q000592:standards*