TY JOUR TI Chromato-mass-spectrometric study of skin slime peptides of fish without scales KW Clarias gariepinus KW skin secretion KW peptide fractions KW mass spectrometry KW sequencing JO Russian Journal of Biological Physics and Chemisrty AU Merkulova, N.L. AU Grekhnyova, E.V. AU Chuikova, S.V. AU Malyshev, V.N. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University