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Journal
BMJ Open
Volume
7
Issue
9
Pages
e017309
Publication year
2017
Suggested citation
Hu R, Chen Y, Zhang Y, Qian Z, Liu Y, Vaughn MG, Xu S, Zheng T, Liu M, Zhang B. Association between vomiting in the first trimester and preterm birth: a retrospective birth cohort study in Wuhan, China. BMJ Open. 2017; 7(9): e017309.
DOI
10.1136/bmjopen-2017-017309
PMID
28963301