Randomized controlled trials.
Jainer
Ashok Kumar
AK
Chawla
Mohan
M
D004311:Double-Blind Method; D017408:Guidelines as Topic; D006801:Humans; D008297:Male; D018579:Patient Selection; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000592:standards* / Q000706:statistics & numerical data; D012107:Research Design / Q000592:standards*; D016896:Treatment Outcome