Account of an elastic trochar, constructed on a new principle, for tapping the hydrocele, or watery rupture : by which the operation may be performed at any period of the disease, and with less pain than with the common trochar. With a few words in favor of a larger trochar, on a similar construction, for tapping the abdomen / By John Andree.

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Account of an elastic trochar, constructed on a new principle, for tapping the hydrocele, or watery rupture : by which the operation may be performed at any period of the disease, and with less pain than with the common trochar. With a few words in favor of a larger trochar, on a similar construction, for tapping the abdomen / By John Andree. Public Domain Mark. Source: Wellcome Collection.