Khazi, N. T.; Gandla, K. S. From Targeted LC-MS MS to High-Resolution Mass Spectrometry: Emerging Analytical Strategies for the Characterization of Antiviral and Antibacterial Drugs, Impurities and Degradation Products: A Critical Review. Pharmacol. Toxicol. Res. 2026, 2, 41–54. https://doi.org/10.68163/ptr.2026.68.