Dey, M., Agarwal, R., Maji, D. and Kohli, U.A. 2017. Maternal and fetal factors observed with late preterm births. International Journal of Research in Medical Sciences. 3, 8 (Jan. 2017), 1969–1973. DOI:https://doi.org/10.18203/2320-6012.ijrms20150310.