Comparative Evaluation of Fine Particle Fraction and T2 Fraction by Using Next Generation Impactor (NGI) and Glass Twin Impinger (GTI) on Formoterol Fumarate and Tiotropium Dry Powder Inhaler (DPI) Marketed Products. - Gondhale, P. S.; Deshmukh, M. J.; Omase, R. V.; Arbune, A. N.; Kolsure, P.; Bhope, S. G.; Padmanabhan, S. (Pharmaceutical Chemistry Journal, 2022)