N. Movsisyan, S. Sharoyan, A. Antonyan, and S. Mardanyan, “BREAKDOWN OF SOME NEURONAL PEPTIDES WITH DIPEPTIDYL PEPTIDASE IV”, Proc. YSU B: Chem. Biol. Sci., vol. 47, no. 1 (230), pp. 36–39, Mar. 2013.