[Recruiting patients to take part in drug trials--problems with the use of placebo].
Louhiala
Pekka
P
Helsingin yliopiston kansanterveystieteen laitos PL 41, 00014 Helsingin yliopisto. pekka.louhiala@helsinki.fi
D000329:Advertising; D026688:Bioethical Issues; D002986:Clinical Trials as Topic / Q000379:methods / Q000592:standards*; D006801:Humans; D018579:Patient Selection; D010919:Placebos
D010919:Placebos