The causation of sex : a new theory of sex based on clinical materials ; together with chapters on the sex of the unborn child, and on the determination of sex at will / by E. Rumley Dawson.

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The causation of sex : a new theory of sex based on clinical materials ; together with chapters on the sex of the unborn child, and on the determination of sex at will / by E. Rumley Dawson. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.