Non-specific effects of inclusion in a clinical trial: information from ASCOT.
Thom
S
S
Peart-Rose Clinic, Clinical Pharmacology, National Heart and Lung Institute, Imperial College School of Medicine at St Mary's Hospital, London W2 1NY, UK. s.thom@ic.ac.uk
Whitehouse
A
A
Sever
P
P
Poulter
N
N
D018660:Blood Pressure Monitoring, Ambulatory; D002986:Clinical Trials as Topic / Q000379:methods*; D015987:Effect Modifier, Epidemiologic; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D018579:Patient Selection; D016032:Randomized Controlled Trials as Topic; D016896:Treatment Outcome