[The A-1, A-2, B, O, Rh-o (D) blood groups; ABH excretion and peptic ulcer].
D001789:Blood Group Antigens; D003604:Czechoslovakia; D006801:Humans; D066298:In Vitro Techniques; D010437:Peptic Ulcer / Q000453:epidemiology*; D012189:Retrospective Studies
D001789:Blood Group Antigens
Krevní skupiny A1, A2, B, O, Rho (D), vylucovatelstvi ABH substancí a vredová choroba.