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Last menstrual period versus ultrasound for pregnancy dating.

作者信息

Barr W B, Pecci C C

机构信息

Department of Family Practice and Community Medicine and Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, PA 19104, USA.

出版信息

Int J Gynaecol Obstet. 2004 Oct;87(1):38-9. doi: 10.1016/j.ijgo.2004.06.008.

DOI:10.1016/j.ijgo.2004.06.008
PMID:15464776
Abstract
摘要

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Last menstrual period versus ultrasound for pregnancy dating.末次月经与超声检查用于妊娠日期确定
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