Wang, Xia, Shuyan Quan, Zhifeng Wu, Yuping Zhang, Enyi Wen, Jingbin Huang, and Wang Yang. “Application of Nirmatrelvir Ritonavir for the Treatment of Severe COVID-19 in a 3-Year-Old Child”. The Journal of Infection in Developing Countries 18, no. 11 (November 30, 2024): 1682–1686. Accessed February 23, 2025. https://jidc.org/index.php/journal/article/view/39693162.