[Multiple practice research. Experience with some methods].
D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004341:Drug Evaluation / Q000379:methods*; D005194:Family Practice; D006801:Humans; D010919:Placebos; D012107:Research Design
D010919:Placebos
Multipraksisforskning. Nogle metodeerfaringer.