Trainak, S., and T. Siwadune. “Factors Associated with Meconium Aspiration Syndrome in Cases with Meconium-Stained Amniotic Fluid”. Thai Journal of Obstetrics and Gynaecology, vol. 24, no. 4, Dec. 2016, pp. 240-6, doi:10.14456/tjog.2016.34.