BIGYAN JOSHI; NETRA LAL BHANDARI; SUNITA SHRESTHA; RAJENDRA GYAWALI; PANNA THAPA. COMPARATIVE STUDY OF POLYPHENOL, FLAVONOID, AND ANTIOXIDANT ACTIVITY OF VARIOUS MEDICINAL PLANTS COLLECTED FROM DIFFERENT ALTITUDES. Asian J Pharm Clin Res 2021, 14, 87-93.