Original Articles FORCED DEGRADATION AND PH STABILITY STUDIES OF LYSERGOL: AN ERGOLIC ALKALOID BY STABILITY INDICATING RP HPLC-UV METHODShamama Javed, Kanchan Kohli & Mushir Ali471 A VALIDATED HIGH-THROUGHPUT CHROMATOGRAPHIC METHOD FOR SIMULTANEOUS DETERMINATION OF VITAMIN K HOMOLOGUESNoha N. Atia & Sameh Ahmed484 APPLICATION OF STABILITY INDICATING HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHIC ME..