title: Cigarette smoke exposure before pregnancy and the associated risk of having a child with orofacial clefts in China: a case-control study.
authors.affiliation: Stomatology College of Harbin Medical University, Harbin, China.
authors.forename: Bing
authors.initials: B
authors.lastname: Zhang
authors.forename: XiaoHui
authors.initials: X
authors.lastname: Jiao
authors.forename: LiMin
authors.initials: L
authors.lastname: Mao
authors.forename: Jie
authors.initials: J
authors.lastname: Xue
mesh_terms: D002681:China / Q000453:epidemiology; D002971:Cleft Lip / Q000453:epidemiology* / Q000209:etiology; D002972:Cleft Palate / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D018811:Maternal Exposure / Q000009:adverse effects*; D018812:Paternal Exposure / Q000009:adverse effects*; D011247:Pregnancy; D012189:Retrospective Studies; D012907:Smoking / Q000009:adverse effects*