This volume, "Collected Papers of the Mayo Clinic, Volume 4," presents a compilation of significant medical research and clinical observations from the renowned Mayo Clinic. Documenting advancements in medical science and practice, this collection offers valuable insights into the evolution of healthcare. With contributions from leading physicians and researchers, the papers cover a wide range of medical specialties and reflect the Mayo Clinic's commitment to innovation and excellence in patient care.

This volume serves as a historical record of medical progress and a testament to the enduring legacy of the Mayo Clinic's contributions to the field 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 was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.

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.

As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. 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.