On the Expulsion and Extraction of the Placenta before the Child, in Placental PresentationsProv Med Surg J 1845; s1-9 doi: http://dx.doi.org/10.1136/bmj.s1-9.6.82 (Published 05 February 1845) Cite this as: Prov Med Surg J 1845;s1-9:82
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