Raghava Raju, T., Jagan mohan, T., Bhavani prasad, S., Suresh Kumar, P., Someswara Rao, N. and Mrutyunjaya Rao, I. 2013. DEVELOPMENT, VALIDATION AND RESOLVING MASS BALANCE ISSUE BY USING ALTERNATIVE OXIDIZING REAGENTS FOR THE DETERMINATION OF METFORMIN HYDROCHLORIDE IMPURITIES IN API AND PHARMACEUTICAL DOSAGE FORMS. Asian Journal of Pharmaceutical and Clinical Research. 6, 8 (Sep. 2013), 107–115.