M. Singh, S. Shukla, A. Nayak, and S. Singh, “Role of cerebroplacental ratio at 35 to 36 weeks of gestational age in prediction of perinatal out come in asymptomatic pregnant Indian women: a prospective observational study”, Int J Reprod Contracept Obstet Gynecol, vol. 15, no. 9, pp. 3609–3614, Aug. 2026.