Primigravid labor; a graphicostatistical analysis.
作者： Emanuel A. Friedman
DOI: 10.1097/00006250-195512000-00001
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摘要: … of the course of first-stage labor, in which cervical dilatation is … two main phases, latent (from labor onset to the point at which the … labor. The effect of membrane rupture on the course of …
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