中国当代医药
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中国当代医药  2019, Vol. 26 Issue (6): 99-101    DOI:
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The applied value of transabdominal ultrasound combined with transperineal ultrasound in the diagnosis of placenta previa in the second trimester of pregnancy
ZHOU Fang-fei
Department of Functional,Yingtan People′s Hospital of Jiangxi Province,Yingtan 335000,China
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