Titlebook: Chemical Contraception; John P. Bennett Textbook 1974Latest edition Columbia University Press 1974 contraception.gynecology.medicine.repro

狼群

pus840

https://doi.org/10.1007/978-1-4302-7241-0with all the disadvantages of the continuously administered contraceptive regimens. In the middle-aged and older groups, however, in which sexual activity is usually less frequent, a postcoital contraceptive would have the definite advantage of lowered drug intake.

步兵

Shapes, Brushes, and Transforms,d by Brinster, 1970) and has been recently achieved in man (Edwards, Bavister, and Steptoe, 1969), it should be possible to study not only the morphology, motility, and longevity of ejaculated spermatozoa, but more importantly, their fertilizing capacity before and after treatment with possible chemical antifertility agents.

Paleontology

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CAMEO

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褻瀆

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安心地散步

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charisma

9樓

枯萎將要

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饑荒

10樓