[Three years of work in the intestinal section of the United Railroad Hospital at Kuibyshev].
D005767:Gastrointestinal Diseases / Q000453:epidemiology*; D006761:Hospitals; D006801:Humans; D007422:Intestines; D011890:Railroads
GASTROINTESTINAL DISEASES/epidemiology
Opyt trekhletnei raboty kishechnogo kabineta pri dorozhnoi ob'edinennoi bol'nitse st. Kuibyshev.