title: [Frequency of the ABO and Rheusus blood group system in peptic ulcer and malignant neoplasms].
mesh_terms: D000017:ABO Blood-Group System; D006801:Humans; D009369:Neoplasms / Q000097:blood / Q000209:etiology*; D010437:Peptic Ulcer / Q000097:blood / Q000209:etiology*; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System
vernacular_title: Chastota grupp korvi sistemy ABO i Rezus pri iazvennoĭ balezni i zlokachestvennykh novoobrazovaniiakh.