Published in 1898, this pioneering work by the Swedish physician Emil Kléen was one of the first comprehensive studies of diabetes mellitus. Based on years of clinical practice and research, Kléen's book provides valuable insights into the causes, symptoms, and treatments of this common and debilitating disease. A must-read for medical professionals and anyone interested in the history of medicine.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.