Preterm birth and secondhand smoking during pregnancy: A case–control study from Vietnam

• Nguyen N. Rang ,

  Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

  * E-mail: nguyenngocrang@gmail.com

  Affiliations Department of Pediatrics, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam, Department of Pediatrics, Women and Children Hospital of An Giang, Long Xuyen, An Giang, Vietnam

  http://orcid.org/0000-0003-4072-660X

  ⨯
• Tran Q. Hien,

  Roles Data curation, Supervision

  Affiliation Department of Obstetrics and Gynecology, Women and Children Hospital of An Giang, Long Xuyen, An Giang, Vietnam

  ⨯
• Ton Q. Chanh,

  Roles Data curation, Validation

  Affiliation Department of Pediatrics, Women and Children Hospital of An Giang, Long Xuyen, An Giang, Vietnam

  ⨯
• Tran K. Thuyen

  Roles Investigation

  Affiliation Department of Obstetrics and Gynecology, Women and Children Hospital of An Giang, Long Xuyen, An Giang, Vietnam

  ⨯