Luo, Qingqing, Dujuan Yao, Lin Xia, Yanxiang Cheng, and Hui Chen. “Characteristics and Pregnancy Outcomes of Asymptomatic and Symptomatic Women With COVID-19: Lessons from Hospitals in Wuhan”. The Journal of Infection in Developing Countries 15, no. 04 (April 30, 2021): 463–469. Accessed April 26, 2024. https://jidc.org/index.php/journal/article/view/33956644.