DEVELOPMENT AND VALIDATION OF RP-HPLC METHOD FOR DETERMINATION OF HYDROCHLOROTHIAZIDE, OLMESARTAN MEDOXOMIL AND THEIR RELATED SUBSTANCES IN COMBINED TABLET DOSAGE FORM Journal title: International Journal of Pharmacy and Pharmaceutical Sciences Authors: Urvesh Mahendrabhai Patel, Avani B. Chokshi, Pritesh R. Desai Subject(s):