title: The cellular and humoral response to antigens in lambs thymectomized in utero.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D004912:Erythrocytes / Q000276:immunology; D005260:Female; D005333:Fetus / Q000276:immunology*; D007109:Immunity; D007111:Immunity, Cellular; D008196:Lymph / Q000032:analysis; D008214:Lymphocytes / Q000276:immunology / Q000473:pathology; D008231:Lymphopenia; D009975:Orthomyxoviridae / Q000276:immunology; D011247:Pregnancy; D012475:Salmonella / Q000276:immunology; D012756:Sheep; D013156:Splenectomy; D013950:Thymus Gland / Q000196:embryology / Q000276:immunology*