Rejuvenation and the prolongation of human efficiency : experiences with the Steinach-operation on man and animals / by Dr. Paul Kammerer, with an introduction by Dr. Harry Benjamin.

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Rejuvenation and the prolongation of human efficiency : experiences with the Steinach-operation on man and animals / by Dr. Paul Kammerer, with an introduction by Dr. Harry Benjamin. In copyright. Source: Wellcome Collection.