title: Observations on different origins of "naturally" occurring antibodies.
mesh_terms: D000017:ABO Blood-Group System; D000042:Absorption; D000818:Animals; D000917:Antibody Formation; D003106:Colon / Q000276:immunology; D004912:Erythrocytes / Q000276:immunology; D005243:Feces / Q000276:immunology; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D007114:Immunization; D007421:Intestine, Small / Q000276:immunology; D007518:Isoantibodies / Q000032:analysis*; D037102:Lectins; D008099:Liver / Q000276:immunology; D008297:Male; D008623:Mercaptoethanol / Q000494:pharmacology; D051379:Mice; D008815:Mice, Inbred Strains; D009500:Neutralization Tests; D012730:Sex Chromosomes; D012756:Sheep; D013270:Stomach / Q000276:immunology; D014357:Trypsin / Q000494:pharmacology
chemical_list: D000017:ABO Blood-Group System; D007518:Isoantibodies; D037102:Lectins; D008623:Mercaptoethanol; D014357:Trypsin