机译:Pragmatic clinical trial design in emergency medicine: Study considerations and design types
Department of Emergency Medicine,Yale School of Medicine;
Department of Emergency Medicine,Stanford University School of Medicine;
Geisel School of Medicine at DartmouthRonald O. Perelman Department of Emergency Medicine and Department of Population Health,New YorkDepartment of Biostatistics,Yale School of Public HealthDepartment of Emergency Medicine,Vanderbilt University School of Medicine;