[Epidemiological study of the configuration of risk factors of gastroduodenal ulcer in railroad transport personnel].
D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D008875:Middle Aged; D009787:Occupational Medicine; D010437:Peptic Ulcer / Q000453:epidemiology*; D011890:Railroads; D012306:Risk; D012383:Romania
Studiu epidemiologic privind configuratia factorilor de risc ai ulcerului gastroduodenal în sectorul transporturilor pe căi ferate.