title: The effect of pretreatment with rat placental homogenate on subsequent pregnancy in the rat.
mesh_terms: D000818:Animals; D001724:Birth Weight; D005260:Female; D005333:Fetus; D005620:Freund's Adjuvant; D005865:Gestational Age; D006130:Growth Disorders / Q000209:etiology; D009929:Organ Size; D010920:Placenta / Q000276:immunology; D010922:Placenta Diseases / Q000209:etiology / Q000276:immunology; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats
chemical_list: D005620:Freund's Adjuvant