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Commentary on "Discriminatory hCG zone: its use in the sonographic evaluation for ectopic pregnancy". Kadar N, DeVore G, Romero R. Discriminatory hCG zone: its use in the sonographic evaluation for ectopic pregnancy. Obstet Gynecol 1981;58:156-61.

作者信息

Pitkin Roy M

出版信息

Obstet Gynecol. 2003 Oct;102(4):672. doi: 10.1016/s0029-7844(03)00060-7.

DOI:10.1016/s0029-7844(03)00060-7
PMID:14550993
Abstract
摘要

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