An essay on the proximate cause of animal impregnation; being the substance of a paper read and discussed in the Medical Society at Guy's Hospital, in October 1799 / [John Pulley].

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An essay on the proximate cause of animal impregnation; being the substance of a paper read and discussed in the Medical Society at Guy's Hospital, in October 1799 / [John Pulley]. Public Domain Mark. Source: Wellcome Collection.