TY JOUR TI APPLICATION OF THE PRINCIPAL COMPONENT ANALYSIS TO IR SPECTRA OF BLOOD SERUM OF PATIENTS WITH ONCOHEMATOLOGICAL DISEASES KW Principal Component Analysis KW oncohematological diseases KW IR spectroscopy KW multiple myeloma KW chronic lymphocytic leukemia JO Russian Journal of Biological Physics and Chemisrty AU Butyaev, R.V. AU Chernyshev, D.A. AU Mikhailets, E.S. AU Plotnikova, L.V. AU Garifullin, A.D. AU Kuvshinov, A.Y. AU Voloshin, S.V. AU Polyanichko, A.M. PY 2022 IS 7 PB Federal State Educational Institution of Higher Education Sevastopol State University