title: [Incidence of ulcer disease in certain professional groups].
mesh_terms: D000328:Adult; D000367:Age Factors; D002617:Chemical Industry; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009784:Occupational Diseases / Q000453:epidemiology*; D010437:Peptic Ulcer / Q000453:epidemiology*; D012737:Sex Factors; D013783:Textile Industry; D014586:USSR
vernacular_title: Chastota iazvennoĭ bolezni v nekotorykh professional'nykh gruppakh