title: [Various current problems in the study of blood groups (protectins)].
mesh_terms: D000017:ABO Blood-Group System; D000022:Abortion, Spontaneous / Q000276:immunology; D000372:Agglutination Tests; D000818:Animals; D000906:Antibodies / Q000032:analysis; D000918:Antibody Specificity; D001419:Bacteria / Q000276:immunology; D001789:Blood Group Antigens; D002241:Carbohydrates / Q000494:pharmacology; D002582:Cervix Mucus / Q000276:immunology; D055598:Chemical Phenomena; D002621:Chemistry; D003315:Cornea / Q000276:immunology; D004446:Echinococcus / Q000276:immunology; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D005399:Fishes / Q000276:immunology; D006595:Hexosamines / Q000032:analysis; D006801:Humans; D007518:Isoantibodies / Q000032:analysis; D008297:Male; D051379:Mice; D009348:Nematoda / Q000276:immunology; D009369:Neoplasms / Q000276:immunology; D011247:Pregnancy; D011817:Rabbits; D051381:Rats; D012204:Rh-Hr Blood-Group System; D012463:Saliva / Q000276:immunology; D012908:Snails / Q000276:immunology; D013094:Spermatozoa / Q000276:immunology; D014556:Urine / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies; D001789:Blood Group Antigens; D002241:Carbohydrates; D006595:Hexosamines; D007518:Isoantibodies; D012204:Rh-Hr Blood-Group System
vernacular_title: Einige aktuelle Probleme der Blutgruppenkunde (Die Protectine)