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Credit
A synoptical table of thoracic percussion and auscultation. Arranged from the works of Laennec, Hope, Louis, Piorry, Williams, and others, and the lectures of Barth, Roger, and Landouzy. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)