Pragmatic and mechanistic trials.
Califf
R M
RM
Duke Clinical Research Institute, Durham, NC 27705, USA.
Woodlief
L H
LH
D000806:Angiotensin-Converting Enzyme Inhibitors / Q000627:therapeutic use; D002318:Cardiovascular Diseases / Q000628:therapy*; D002986:Clinical Trials as Topic; D018166:Health Care Reform; D006295:Health Resources; D006801:Humans; D016032:Randomized Controlled Trials as Topic; D012107:Research Design; D014481:United States
D000806:Angiotensin-Converting Enzyme Inhibitors