[Study of risk factors in gastroenterology].
D000367:Age Factors; D000368:Aged; D000428:Alcohol Drinking; D005260:Female; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D009790:Occupations; D011247:Pregnancy; D012306:Risk; D012907:Smoking
Problema izucheniia faktorov riska v gastroénterologii.