00625naa#a2200217#i#450# EN\\bibl\98444 20250819134442.2 3034-4689 20250801b2025####ek#y0engy0150####ca RU INVESTIGATION OF THE STRUCTURAL FEATURES OF COLLAGEN-CONTAINING MATERIALS WITH DIFFERENT DEGREES OF MATURITY Journal article Kazan Kazan National Research Technological University 2025 4 с. Journal article local Chapaeva L. V. Urusova D. A. vestniktu.ru