Compulsory registration of clinical trials.
Ormerod
A D
AD
Williams
H C
HC
D002986:Clinical Trials as Topic / Q000592:standards*; D003880:Dermatology / Q000592:standards*; D006801:Humans; D007391:International Cooperation; D010506:Periodicals as Topic / Q000592:standards*; D012042:Registries