M. Szpetnar, A. Hordyjewska, I. Malinowska, P. Golab, and J. Kurzepa, “The fluctuation of free amino acids in serum during acute ischemic stroke”, Curr. Issues Pharm. Med. Sci., vol. 29, no. 4, pp. 151–154, Jan. 2017, doi: 10.1515/cipms-2016-0031.