[Contribution to the problem of peptic ulcer in childhood].
D000293:Adolescent; D002648:Child; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000175:diagnosis*; D012189:Retrospective Studies
Príspĕvek k problematice vredové choroby v dĕtství.