[The problems in peptic ulcers of children and adolescents].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003604:Czechoslovakia; D006801:Humans; D010437:Peptic Ulcer / Q000453:epidemiology* / Q000209:etiology
K problematice vredové choroby u dĕtí a dorostu.