title: [Distribution of ABO blood groups and Rh factor in patients with gastric and duodenal ulcer and gastric cancer (author's transl)].
mesh_terms: D000017:ABO Blood-Group System; D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012204:Rh-Hr Blood-Group System; D013274:Stomach Neoplasms / Q000097:blood*; D013276:Stomach Ulcer / Q000097:blood*
chemical_list: D000017:ABO Blood-Group System; D012204:Rh-Hr Blood-Group System
vernacular_title: Distribución de grupos sanguíneos ABO y Rh en pacientes con úlcera gástrica, úlcera duodenal, cáncer gástrico y en testigos