title: Blood group substance A prepared from human seminal plasma.
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis* / Q000302:isolation & purification; D000818:Animals; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000032:analysis / Q000302:isolation & purification; D006801:Humans; D007106:Immune Sera / Q000032:analysis; D007122:Immunoelectrophoresis; D008297:Male; D011817:Rabbits / Q000276:immunology; D012661:Semen / Q000737:chemistry* / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies; D000941:Antigens; D007106:Immune Sera