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Credit
Contribution à l'étude de la pneumatométrie : spécialement au point de vue de la résistance des parois thoraciques et du traitement mécanique des affections pulmonaires / par Jules Soller. 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.