Preterm Birth in China Between 2015 and 2016.
Chen C, Zhang JW, Xia HW, Zhang HX, Betran AP, Zhang L, Hua XL, Feng LP, Chen D, Sun K, Guo CM, Qi HB, Duan T, Zhang J.
Chen C, et al. Among authors: chen d.
Am J Public Health. 2019 Nov;109(11):1597-1604. doi: 10.2105/AJPH.2019.305287. Epub 2019 Sep 19.
Am J Public Health. 2019.
PMID: 31536409
Free PMC article.