CHOPPELLA, V.; K., R. B.; BADIPATI, S.; GONTHINA, H.; CHUKKA, V. K. STABILITY INDICATING METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS QUANTIFICATION OF SORAFENIB AND REGORAFENIB DRUG SUBTANCES BY USING RP-UPLC. International Journal of Current Pharmaceutical Research, v. 12, n. 1, p. 56-62, 10 Jan. 2020.