The importance of randomized controlled trials in pediatric cardiology.
Gidding
Samuel S
SS
D000293:Adolescent; D002303:Cardiac Output, Low / Q000188:drug therapy; D002309:Cardiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D010372:Pediatrics; D016032:Randomized Controlled Trials as Topic