PRODUCTION OF BIOMEDICAL CELL PRODUCTS: REQUIREMENTS FOR THE QUALITY OF DONOR MATERIAL AND EXCIPIENTS OF ANIMAL ORIGIN (REVIEW) Article Vodiakova M.A., Sayfutdinova A.R., Melnikova E.V., Goryaev A.A., Sadchikova N.P., Gegechkori V.I., Merkulov V.A. RSC Medicinal Chemistry. Royal Society of Chemistry. Vol. 11. 2020. P. 349-357