Evaluating Nirmatrelvir Resistance in SARS-CoV-2 Main Protease: A Comparison Between MM/PBSA and Free Energy Perturbation. Commun. Comput. Chem. [Internet]. 2025 Sep. 3 [cited 2025 Dec. 5];7(3):171-80. Available from: https://www.global-sci.com/index.php/cicc/article/view/22822