中国当代医药
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中国当代医药  2017, Vol. 24 Issue (2): 85-87    DOI:
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Analysis of characteristics of pregnancy and childbirth in elderly maternal
WEI Yu-hua
Department of Obstetrics and Gynecology,the Sixth People′s Hospital of Longgang District in Shenzhen City,Guangdong Province,Shenzhen 518117,China
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