[Epidemiological and clinical aspects of peptic ulcer].
D000293:Adolescent; D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009790:Occupations; D011044:Poland; D012424:Rural Population; D012737:Sex Factors; D013276:Stomach Ulcer / Q000175:diagnosis / Q000453:epidemiology*; D014505:Urban Population
Aspekty epidemiologiczne i kliniczne choroby wrzodowej zoładka i dwunastnicy.