@article{2025investigation, author={, .. and , .. and , .. and , .. and Chapaeva, L.V. and Urusova, D.A.}, title={INVESTIGATION OF THE STRUCTURAL FEATURES OF COLLAGEN-CONTAINING MATERIALS WITH DIFFERENT DEGREES OF MATURITY}, journal={Herald of Technological University}, publisher={Kazan National Research Technological University}, year={2025}, pages={170-174}, volume={27}, issue={12}, }