Development and Analytical Validation of a RP-HPLC–LC-MS/MS Method for Simultaneous Quantification of Fexofenadine and Losartan in Plasma: Application to Bioequivalence Studies. pubs bcnf [Internet]. 2025 May 21 [cited 2026 Feb. 20];2(7). Available from: https://pubs.bcnf.ir/index.php/Articles/article/view/548