P. Dogra, B. R. Sharma, S. Sharma, and R. Sharma, “Clinical profile, maternal and fetal outcome in pregnant women with COVID-19 infection: a retrospective observational study in a tertiary care hospital of Himachal Pradesh”, Int J Reprod Contracept Obstet Gynecol, vol. 10, no. 1, pp. 228–232, Dec. 2020.