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Credit
Über idiopathische Herzvergrösserung : Festschrift der Med. Facultät der Universität München zur Feier des fünfzigjährigen Doctor-Jubiläums des Herrn Geheimrath Professor Dr. Max von Pettenkofer / verfasst von Jos. Bauer und O. Bollinger. Public Domain Mark. Source: Wellcome Collection.
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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.