The research method of a qualitative analysis of the composition of the blood in the terahertz frequency rangeT. Zhang, Y.A. Kononova, M.K. Khodzitsky, P.S. Demchenko, S.I. Gusev, A.Y. Babenko, E.N. Grineva and I.L. KublanovaEPJ Web Conf., 195 (2018) 10007DOI: https://doi.org/10.1051/epjconf/201819510007