The practitioner's manual : a condensed system of medical diagnosis and treatment Allen, Charles Warrenne, 1854-1906. Clinical Medicine New York : Wood, 1899 Text iv, 851 p. nlm:nlmuid-63310310R-bk 63310310R http://resource.nlm.nih.gov/63310310R English The National Library of Medicine believes this item to be in the public domain : https://creativecommons.org/publicdomain/mark/1.0/