How to ... do a randomized controlled trial.
O'Brien
K D
KD
University Dental Hospital of Manchester, UK. Kevin.O'Brien@man.ac.uk
Wright
J L
JL
Mandall
N A
NA
D017408:Guidelines as Topic; D006801:Humans; D009970:Orthodontics; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design