1. Vertebrate Fetal Membranes;Mossman,1987
2. The placenta of the wolverine (Gulo gulo luscus) (Linnaeus);Wislocki;Bull. Mus. Comp. Zool,1956
3. On the female organs and placentation of the raccoon (Procyon lotor);Watson;Proc. Roy. Soc. London,1881
4. Comparative Morphology of the Mammalian Ovary;Mossman,1973
5. Two morphological types of placenta in the raccoon;Biggers;Nature,1962