中国热带医学
济宁市出生缺陷影响因素的病例对照研究
郭立燕，张妍，李叶红，张祥峰，张雪文，侯钱英，李明
Case-control study on risk factors of birth defect in Jining city.
GUO Li-yan，ZHANG Yan，LI Ye-hong，et al.
中国热带医学 . 2013, (10): 1211 -1213 .