[Symposium: pediatric surgery].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004935:Esophageal Diseases / Q000601:surgery; D005260:Female; D005767:Gastrointestinal Diseases / Q000601:surgery; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000601:surgery; D008297:Male; D013514:Surgical Procedures, Operative