Case-control study on influencing factors of perinatal birth defects in Kaifeng city.
WANG Shan1,PAN Xin-juan2,3,YU Zeng-li3.
1 Kaifeng Obstetrics and Genecology Hospital,Kaifeng,Henan 475000,China; 2 Henan University of Science and Technology,Luoyang,Henan 471003,China; 3 College of Public Health,Zhengzhou University,Zhengzhou,Henan 450001,China
WANG Shan,PAN Xin-juan,YU Zeng-li.. Case-control study on influencing factors of perinatal birth defects in Kaifeng city.[J]. journal1, 2013, 21(2): 161-163.