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Credit
Der Mechanismus der Respiration und Cirkulation oder das explicirte Wesen der Lungenhyperämien : eine physiologisch-patholoigsche Untersuchung / von A. Mendelssohn. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.