Normal pregnancy and litter size in rats injected with fetal placentas.
D000818:Animals; D001669:Biochemical Phenomena; D001671:Biochemistry; D005260:Female; D005620:Freund's Adjuvant; D010924:Placental Extracts / Q000494:pharmacology*; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats; D013347:Subcellular Fractions
D010924:Placental Extracts; D005620:Freund's Adjuvant