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- [21] Characterization of Modification Patterns, Biological Function, Clinical Implication, and Immune Microenvironment Association of m6A Regulators in Pancreatic CancerFRONTIERS IN GENETICS, 2021, 12Fang, Kun论文数: 0 引用数: 0 h-index: 0机构: Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaQu, Hairong论文数: 0 引用数: 0 h-index: 0机构: Yinchuan Maternal & Child Hlth Hosp, Dept Gynaecol, Yinchuan, Ningxia, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaWang, Jiapei论文数: 0 引用数: 0 h-index: 0机构: Yinchuan Maternal & Child Hlth Hosp, Dept Pathol, Yinchuan, Ningxia, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaTang, Desheng论文数: 0 引用数: 0 h-index: 0机构: Harbin Med Univ, Dept Gastroenterol, Cent Lab, Affiliated Hosp 1, Harbin, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaYan, Changsheng论文数: 0 引用数: 0 h-index: 0机构: Harbin Med Univ, Dept Pancreat & Biliary Surg, Cent Lab, Affiliated Hosp 1, Harbin, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaMa, Jiamin论文数: 0 引用数: 0 h-index: 0机构: Harbin Med Univ, Dept Pancreat & Biliary Surg, Cent Lab, Affiliated Hosp 1, Harbin, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R ChinaGao, Lei论文数: 0 引用数: 0 h-index: 0机构: Harbin Med Univ, Dept Pancreat & Biliary Surg, Cent Lab, Affiliated Hosp 1, Harbin, Peoples R China Yinchuan Maternal & Child Hlth Hosp, Dept Surg, Yinchuan, Ningxia, Peoples R China
- [22] Identification of significant m6A regulators and immune microenvironment characterization in ischemic strokeScientific Reports, 14Lili Zhao论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyDingli Song论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyTao Li论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyYe li论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyMeijuan Dang论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyQian Hao论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyHong fan论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyZiwei Lu论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyJialiang Lu论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyXiaoya Heyingwang论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyYating Wang论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of NeurologyGuilian Jian论文数: 0 引用数: 0 h-index: 0机构: The Second Affiliated Hospital of Xi’an Jiaotong University,Department of Neurology
- [23] Expression Status and Prognostic Value of m6A RNA Methylation Regulators in Lung AdenocarcinomaLIFE-BASEL, 2021, 11 (07):Li, Xiuhong论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R China Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R China论文数: 引用数: h-index:机构:Wang, Rui论文数: 0 引用数: 0 h-index: 0机构: Anhui Med Univ, Anhui Prov Hosp, Dept Clin Lab, Hefei 230001, Peoples R China Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R ChinaHu, Jie论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R China Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R ChinaHe, Xiaodong论文数: 0 引用数: 0 h-index: 0机构: Anhui Prov Ctr Clin Labs, Hefei 230001, Peoples R China Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R ChinaShen, Zuojun论文数: 0 引用数: 0 h-index: 0机构: Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R China Anhui Med Univ, Anhui Prov Hosp, Dept Clin Lab, Hefei 230001, Peoples R China Univ Sci & Technol China, Affiliated Hosp 1, Dept Clin Lab, Div Life Sci & Med, Hefei 230001, Peoples R China
- [24] m6A RNA Methylation Regulators Act as Potential Prognostic Biomarkers in Lung AdenocarcinomaFRONTIERS IN GENETICS, 2021, 12Wang, Hongbo论文数: 0 引用数: 0 h-index: 0机构: China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R China China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R ChinaZhao, Xiangxuan论文数: 0 引用数: 0 h-index: 0机构: China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R China China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R ChinaLu, Zaiming论文数: 0 引用数: 0 h-index: 0机构: China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R China China Med Univ, Shengjing Hosp, Dept Radiol, Shenyang, Peoples R China
- [25] Diagnostic, progressive and prognostic performance of m6A methylation RNA regulators in lung adenocarcinomaINTERNATIONAL JOURNAL OF BIOLOGICAL SCIENCES, 2020, 16 (11): : 1785 - 1797Zhuang, Zhizhi论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaChen, Liping论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Sir Run Run Shaw Hosp, Sch Med, Dept Pharm, Hangzhou 310000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaMao, Yuting论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Clin Coll Med 2, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaZheng, Qun论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaLi, Huiying论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Resp Med, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaHuang, Yueyue论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Hematol & Med Oncol, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaHu, Zijing论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Coll Pharmaceut Sci, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R ChinaJin, Yi论文数: 0 引用数: 0 h-index: 0机构: Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Yuying Childrens Hosp, Wenzhou 325000, Zhejiang, Peoples R China Wenzhou Med Univ, Affiliated Hosp 2, Dept Rheumatol & Immunol, Wenzhou 325000, Zhejiang, Peoples R China
- [26] Characterization of m6A RNA Methylation Regulators Predicts Survival and Immunotherapy in Lung AdenocarcinomaFRONTIERS IN IMMUNOLOGY, 2021, 12Zhu, Minggao论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaCui, Yachao论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaMo, Qi论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaZhang, Junwei论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaZhao, Ting论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaXu, Yujie论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaWu, Zhenpeng论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaSun, Donglin论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaZhang, Xiaoren论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaLi, Yingchang论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R ChinaYou, Qiang论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China Guangzhou Med Univ, Key Lab Cell Homeostasis & Canc Res, Guangdong Higher Educ Inst, Guangzhou, Peoples R China Ctr Canc & Immunol Res, State Key Lab Resp Dis, Guangzhou, Peoples R China Guangzhou Med Univ, Affiliated Canc Hosp & Inst, Guangzhou, Peoples R China
- [27] Comprehensive Analysis of Clinical Significance, Immune Infiltration and Biological Role of m6A Regulators in Early-Stage Lung AdenocarcinomaFRONTIERS IN IMMUNOLOGY, 2021, 12Zhou, Bolun论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci & Peking Union Med Coll, Dept Thorac Surg, Natl Canc Ctr, Natl Clin Res Ctr,Canc Canc Hosp, Beijing, Peoples R China Chinese Acad Med Sci & Peking Union Med Coll, Dept Thorac Surg, Natl Canc Ctr, Natl Clin Res Ctr,Canc Canc Hosp, Beijing, Peoples R ChinaGao, Shugeng论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Med Sci & Peking Union Med Coll, Dept Thorac Surg, Natl Canc Ctr, Natl Clin Res Ctr,Canc Canc Hosp, Beijing, Peoples R China Chinese Acad Med Sci & Peking Union Med Coll, Dept Thorac Surg, Natl Canc Ctr, Natl Clin Res Ctr,Canc Canc Hosp, Beijing, Peoples R China
- [28] RNA m6A methylation regulators in sepsisMOLECULAR AND CELLULAR BIOCHEMISTRY, 2024, 479 (09) : 2165 - 2180Zhu, Lin论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Sch Chinese Med, Jinan, Peoples R China Shandong Univ Tradit Chinese Med, Sch Chinese Med, Jinan, Peoples R ChinaZhang, Hairong论文数: 0 引用数: 0 h-index: 0机构: Shandong Prov Third Hosp, Dept Obstet & Gynecol, Jinan 250031, Peoples R China Shandong Univ Tradit Chinese Med, Sch Chinese Med, Jinan, Peoples R ChinaZhang, Xiaoyu论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Sch Chinese Med, Jinan, Peoples R ChinaXia, Lei论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Dept Pathol, Jinan 250355, Peoples R China Shandong Univ Tradit Chinese Med, Sch Chinese Med, Jinan, Peoples R China
- [29] FERMT1 Is a Prognostic Marker Involved in Immune Infiltration of Pancreatic Adenocarcinoma Correlating with m6A Modification and NecroptosisGENES, 2023, 14 (03)Wu, Qian论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaLi, Jin论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaWang, Pei论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaPeng, Qihang论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaKang, Zhongcui论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaDeng, Yiting论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaLi, Jiayi论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaYan, Dehong论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Inst Biomed & Biotechnol, Shenzhen Inst Adv Technol, Shenzhen 518055, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaGe, Feng论文数: 0 引用数: 0 h-index: 0机构: Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R ChinaChen, Ying论文数: 0 引用数: 0 h-index: 0机构: Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China Yangtze Univ, Coll Life Sci, Jingzhou 434025, Peoples R China
- [30] Exploring diagnostic m6A regulators in endometriosisAGING-US, 2020, 12 (24): : 25916 - 25938Jiang, Li论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaZhang, Mengmeng论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaWu, Jingni论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaWang, Sixue论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaYang, Xiang论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaYi, Mingyu论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaZhang, Xinyue论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R ChinaFang, Xiaoling论文数: 0 引用数: 0 h-index: 0机构: Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China Cent South Univ, Xiangya Hosp 2, Dept Obstet & Gynecol, Changsha, Hunan, Peoples R China