title: Answerable questions about formation and maintenance of the humoral immune system.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000954:Antigens, Surface / Q000235:genetics; D001402:B-Lymphocytes / Q000166:cytology / Q000276:immunology*; D002454:Cell Differentiation; D005260:Female; D005333:Fetus / Q000276:immunology; D006801:Humans; D051379:Mice; D011247:Pregnancy
chemical_list: D000954:Antigens, Surface