Merck's 1901 manual of the materia medica : aready-reference pocket book for the practicing physician and surgeon.

Licence: Public Domain Mark

Credit: Merck's 1901 manual of the materia medica : aready-reference pocket book for the practicing physician and surgeon. Source: Wellcome Collection.

Provider: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.