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The great advance in our knowledge of the physiology of the male sex apparatus has made the thorough revision of the parts dealing with that subject necessary. This opportunity has been taken to make many important additions.
Livre de Lyon
Egoistic Activities, iology, sogiology, physphysical change, sexual hygiene, epididymis, anatomy, living organisms, Principles of biology, Phyletic Activities
Psychology | Sociology
Hall, Winfield Scott, "The Biology, Physiology and sociology of Reproduction also Sexual Hygiene" (2020). Social, Humanity and Administrative Sciences. 22.