Note 40 — Chapter II
Reading edition
On the Prolongation of Human Life, by Élie Metchnikoff; also The Century Magazine, Nov., 1909, "The Utility of Lactic Microbes," by the same author.
Reading edition
On the Prolongation of Human Life, by Élie Metchnikoff; also The Century Magazine, Nov., 1909, "The Utility of Lactic Microbes," by the same author.