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Diagnostic value of ultrasonographic combining biochemical markers for Down syndrome screening in first trimester: a meta-analysis |
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| Authors: | Yang Liu Xingguang Ye Na Zhang Baohuan Zhang Congcong Guo Weihuang Huang Lipeng Jing Man Wang Guang Yang Xiangcai Wei Chunxia Jing |
| Institution: | 1. Department of Epidemiology, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China;2. Department of Parasitology, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China;3. Family Planning Research Institute of Guangdong, Guangzhou, Guangdong Province, China
Correspondence to: Xiangcai Wei. E-mail: Dxcwei@163.com;4. Chunxia Jing. E-mail: jcxphd@gmail.com;5. Department of Epidemiology, School of Medicine, Jinan University, Guangzhou, Guangdong Province, China Correspondence to: Xiangcai Wei. E-mail: Dxcwei@163.com |
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