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Credit
On artificial dilation of the os and cervix uteri by fluid pressure from above : a reply to Drs. Keiller of Edinburgh, and Arnott and Barnes of London / by Horatio R. Storer. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)