Meena, B. L., V. B. Singh, P. Sameja, V. Tundwal, and S. Beniwal. “A Study of Neonatal and Maternal Outcomes of Asthma During Pregnancy”. International Journal of Research in Medical Sciences, vol. 1, no. 1, Jan. 2017, pp. 23-27, https://www.msjonline.org/index.php/ijrms/article/view/2528.