Analytical quality by design approach for the development of high‐performance liquid chromatography method for simultaneous analysis of metformin and sitagliptin in the presence of major degradation products. - Pawar, Rajesh; Naresh, Pothuraju; Kalva, Bhadrayya; Kumar, M. Raj; Ravichandiran, V.; Ramalingam, P. (Journal of Separation Science, 2024)