TY - GEN AU - Kaye,M D TI - The evolution of placentation SN - 0004-8666 PY - 1972///0323 KW - Amphibians KW - Animals KW - Biological Evolution KW - Corpus Luteum KW - Female KW - Fishes KW - Haplorhini KW - Humans KW - Marsupialia KW - Mice KW - Placenta KW - anatomy & histology KW - Primates KW - Rabbits KW - Rats KW - Reptiles N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1479-828x.1971.tb00480.x ER -