Partner cigarette smoking and risk of neural tube defects among infants of non-smoking women in northern China
Zhiwen Li, Le Zhang, Rongwei Ye, Jianmeng Liu, Lijun Pei, Xiaoying Zheng, Aiguo Ren
Tobacco Control Nov 2013, 22 (6) 401-405; DOI: 10.1136/tobaccocontrol-2011-050384