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Credit
Die angebornen Krankheiten des Herzens und der grossen Gefässe des Menschen : nebst Untersuchungen über den Blutumlauf des menschlichen Foetus ... / von Hermann Friedberg. 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.