Vitamin D status and recurrent preterm birth: a nested case-control study in high-risk women.
Thorp JM, Camargo CA, McGee PL, Harper M, Klebanoff MA, Sorokin Y, Varner MW, Wapner RJ, Caritis SN, Iams JD, Carpenter MW, Peaceman AM, Mercer BM, Sciscione A, Rouse DJ, Ramin SM, Anderson GB; Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network.
Thorp JM, et al. Among authors: caritis sn.
BJOG. 2012 Dec;119(13):1617-23. doi: 10.1111/j.1471-0528.2012.03495.x. Epub 2012 Oct 19.
BJOG. 2012.
PMID: 23078336
Free PMC article.