Wigfall, Clarence, Mandukhai Ganbat, Jargalsaikhan Badarch, David Warburton, and William D. Crano. “Implementing Attitudes Measurement to Influence Winter Air Pollution Mask Wearing by Pregnant Women in Ulaanbaatar: A Pilot Study”. Central Asian Journal of Medical Sciences 3, no. 3 (November 25, 2017): 269–281. Accessed July 19, 2024. https://mongoliajol.info/index.php/CAJMS/article/view/2726.