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Source: Project Gutenberg. The book text and source license are preserved. The cover is created by NiceBooksReads.

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The Prolongation of Life: Optimistic Studies

English

The Prolongation of Life: Optimistic Studies

Metchnikoff, Elie

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The Prolongation of Life: Optimistic Studies

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Hygiene · Longevity · Aging · Older people -- Social conditions · QP · RA

Project Gutenberg #51521

2016-03-21

Public domain in the USA.
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