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机构:
China Med Univ, Shengjing Hosp, Dept Obstet & Gynecol, 39 Huaxiang Rd, Shenyang 110004, Liaoning, Peoples R China
China Med Univ, Key Lab Maternal Fetal Med, Shenyang 110004, Liaoning, Peoples R China
China Med Univ, Key Lab Obstet & Gynecol Higher Educ, Shenyang 110004, Liaoning, Peoples R China China Med Univ, Shengjing Hosp, Dept Obstet & Gynecol, 39 Huaxiang Rd, Shenyang 110004, Liaoning, Peoples R China