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Die pneumatische Behandlung der Respirations- und Circulationskrankheiten : im Anschluss an die Pneumatometrie, Spirometrie und Brustmessung / bearbeitet von L. Waldenburg. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.