Clinical-trial registration.
Lapierre
Y D
YD
Mohr
E
E
D002170:Canada; D002986:Clinical Trials as Topic; D003365:Costs and Cost Analysis; D017277:Drug Approval / Q000331:legislation & jurisprudence; D005544:Forecasting; D007255:Information Services; D012042:Registries; D012106:Research / Q000639:trends