An unusual case of twin conception and labour : also a case of blighted ovum, which was retained in the uterus eleven months, with practical observations, and remarks on the doctrine of superfoetation / by John Powell.

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An unusual case of twin conception and labour : also a case of blighted ovum, which was retained in the uterus eleven months, with practical observations, and remarks on the doctrine of superfoetation / by John Powell. 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.