[Digestive system functional disorders in children].
Madrazo de la Garza
José Armando
JA
Hospital de Pediatria, Centro Médico Nacional Siglo XXI, IMSS, Mexico, DF.
D002648:Child; D004066:Digestive System Diseases / Q000145:classification / Q000175:diagnosis* / Q000209:etiology; D017408:Guidelines as Topic; D006801:Humans