LC-MS/MS assisted pharmacokinetic and tissue distribution study of ropivacaine and 3-OH-ropivacaine on rats after plane block anesthesia - Butiulca, Mihaela; Farczadi, Lenard; Imre, Silvia; Vari, Camil Eugen; Vlase, Laurian; Cordos, Bogdan; Azamfirei, Leonard; Lazar, Alexandra Elena (Frontiers in Pharmacology, 2025)