A STABILITY-INDICATING HPLC METHOD FOR THE DETERMINATION OF POTENTIAL IMPURITIES IN A NEW FIXED DOSE COMBINATION OF DOLUTEGRAVIR, LAMIVUDINE AND TENOFOVIR DISOPROXIL FUMARATE TABLETS USED IN THE FIRST LINE TREATMENT OF HIV-1 INFECTION. Int. Res. J. Pharm. 2018, 9 (5), 90-99.