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Credit
Handbook of the sphygmograph : being a guide to its use in clinical research : to which is appended a lecture delivered at the Royal College of Physicians on the 29th of March 1867 on the mode and duration of the contraction of the heart in health and disease / by J. Burdon Sanderson. Public Domain Mark. 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.