Observations on the artificial dilatation of the mouth of the womb during labour, and upon instrumental delivery, &c. &c. / by Robert Collins.

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Observations on the artificial dilatation of the mouth of the womb during labour, and upon instrumental delivery, &c. &c. / by Robert Collins. 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.