Placebo control--still the most ethical study design.
Kvarstein
Gunnvald
G
Department of Anesthesiology and Intensive Care, Section of Pain Management, Oslo University Hospital, Rikshospitalet, Norway Hospital for Rehabilitation, Stavern, Vestfold Hospital Trust, Norway The Interventional Centre, Oslo University Hospital, Rikshospitalet, Norway Department of Radiology, Oslo University Hospital, Rikshospitalet, Norway Oslo University Hospital, Rikshospitalet and Faculty of Medicine, University of Oslo, Norway.
Måwe
Leif
L
Indahl
Aage
A
Hol
Per Kristian
PK
Tennøe
Bjørn
B
Digernes
Randi
R
Tønnessen
Tor Inge
TI
Beivik
Harald
H
Stubhaug
Audun
A
D006801:Humans; D010919:Placebos; D016032:Randomized Controlled Trials as Topic / Q000941:ethics* / Q000379:methods; D012107:Research Design
D010919:Placebos