Prehospital care research--the basics.
Cone
David C
DC
Yale University School of Medicine, Section of Emergency Medicine, New Haven, CT 06519-1315, USA. david.cone@yale.edu
Lerner
E Brooke
EB
Yealy
Donald M
DM
D004632:Emergency Medical Services; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D012107:Research Design; D014481:United States