I. A. Lukina, O. V. Mazulin, H. P. Smoilovska, H. V. Mazulin, and I. N. Shevchenko, “The amino acid composition of Polygonum hydropiper L. and Polygonum persicaria L. herbs of Ukrainian flora”, Current issues in pharmacy and medicine: science and practice, no. 1, Mar. 2015.