[Cheers for the randomized controlled trial! The only method able to evaluate benefit of medical measures].
Nilsson
G
G
Hjärtavdelningen, Centrallasarettet, Västerås.
Sörensen
S
S
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000266:history / Q000379:methods / Q000592:standards