Annunciatto, Jefferson, et al. “Development and Validation of an HPLC-DAD Analytical Method for Quantitative and Simultaneous Determination of Cefoperazone and Prednisolone in Intramammary Ointment”. 2025. Drug Analytical Research, vol. 9, no. 1, Mar. 2026, pp. 3-12, doi:10.22456/2527-2616.146375.