Exploiting synergistic effects of brittle and plastic excipients in directly compressible formulations of sitagliptin phosphate and sitagliptin hydrochloride. - Zakowiecki, Daniel; Edinger, Peter; Papaioannou, Markos; Hess, Tobias; Kubiak, Bartlomiej; Terlecka, Anna (Pharmaceutical Development & Technology, 2022)