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Credit
Der Kreislauf des Lebens : Physiologische Antworten auf Liebig's Chemische Briefe / von Jac. Moleschott. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.