首页 / 官方藏书 / Old Age Deferred / The causes of old age and its postponement by hygienic and therapeutic measures / CHAPTER XVII. The Elimination of Toxic Products Through the Intestines and the Improvement of This Function.

CHAPTER XVII. The Elimination of Toxic Products Through the Intestines and the Improvement of This Function.

Old Age Deferred / The causes of old age and its postponement by hygienic and therapeutic measures · Arnold Lorand · 第 23 / 69 章