The royal road to health, or, The secret of health without medicine Secret of health without medicine Tyrrell, Chas. A. (Charles Alfred), 1846-1918. Enema Intestinal Obstruction -- therapy New York : [s.n.], 1899 Text Illustrations Portraits 202 p. nlm:nlmuid-64230850R-bk 64230850R http://resource.nlm.nih.gov/64230850R English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/