期刊
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY
卷 196, 期 6, 页码 544-545出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.ajog.2007.01.033
关键词
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资金
- AHRQ HHS [HS-0384] Funding Source: Medline
- PHS HHS [HHSF223200510010C] Funding Source: Medline