title: [Relation between A, B, O blood groups and gastric cancer].
mesh_terms: D000017:ABO Blood-Group System; D006801:Humans; D013274:Stomach Neoplasms / Q000097:blood*
chemical_list: D000017:ABO Blood-Group System
vernacular_title: Asociación entre grupos sanguíneos A, B, O y cáncer gástrico.