title: Depression of T-cell activity during pregnancy: Part II. Identification of factor(s) in pregnancy serum inhibiting T-cell reactivity.
mesh_terms: D001769:Blood; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D005260:Female; D006801:Humans; D007108:Immune Tolerance / Q000187:drug effects; D008871:Microvilli / Q000276:immunology; D010920:Placenta / Q000276:immunology; D011247:Pregnancy; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D006063:Chorionic Gonadotropin