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Credit
Methode des tractions soutenues. Le forceps considere comme agent de prehension et de traction. Preuves experimentales de la non-identite d'action des diverses varietes de forceps / par M. Chassagny. 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.