Randomized clinical trials: do they provide the optimal method for research on emergency medical services for children?
Joseph
Jill G
JG
Department of Pediatrics, Children's National Medical Center and George Washington University School of Medicine and Health Services, DC 20010, USA. jjoseph@cnmc.org
Chamberlin
James M
JM
D002648:Child; D004632:Emergency Medical Services; D019317:Evidence-Based Medicine; D006302:Health Services Research / Q000379:methods*; D006801:Humans; D010372:Pediatrics; D016032:Randomized Controlled Trials as Topic / Q000592:standards; D015203:Reproducibility of Results; D012107:Research Design