@misc{indiciaeabbb9f4dad18, title = {Comparative endocrinology of gestation.}, author = {I J Davies and K J Ryan}, year = {1972}, doi = {10.1016/s0083-6729(08)60797-9}, url = {https://pubmed.ncbi.nlm.nih.gov/4565621/}, note = {Source identifier: 4565621} }