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No one who has followed the discussion on animal experimentation and the opposition to it as a method of scientific research can be unfamiliar with the contributions of Dr. Keen on this subject. Three of the series of educational pamphlets on Protection of Medical Research issued by the American Medical Association in the last few years are from his able pen. In addition, he has contributed many articles to leading magazines and newspapers on this subject. Scientific men desiring this valuable material in convenient and accessible form, as well as laymen earnestly seeking the truth, will welcome the publication in a single volume of Dr. Keen's many contributions on this subject. The introduction by Ex-President Charles W. Eliot of Harvard University emphasizes the scientific value of experimental research and the ethical justification for such efforts for the alleviation of human suffering. Eight of the thirteen chapters in the book are
Animal Experimentation and Medical Progress.. JAMA. 1915;LXIV(3):268. doi:10.1001/jama.1915.02570290080031