Swallowed coins: waiting equal to immediate removal.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004947:Esophagus; D005547:Foreign Bodies; D005548:Foreign-Body Migration; D006801:Humans; D007223:Infant; D016032:Randomized Controlled Trials as Topic; D013997:Time Factors