Effect of ovulen on the immunological response of rats and mice: response to a particulate antigen.
D000818:Animals; D000917:Antibody Formation / Q000187:drug effects; D000937:Antigen-Antibody Reactions / Q000187:drug effects*; D003276:Contraceptives, Oral / Q000494:pharmacology*; D004912:Erythrocytes / Q000276:immunology; D051379:Mice; D008815:Mice, Inbred Strains; D051381:Rats; D011919:Rats, Inbred Strains
D003276:Contraceptives, Oral