“Stretching Vibrations of Carbonyl Groups in Raman Spectra of Collagen and Poly(Gly-Pro-Pro): Calcullation and Experiment”. Biophysical Bulletin 2, no. 16 (June 6, 2005): 5–9. Accessed October 25, 2026. https://periodicals.karazin.ua/biophysvisnyk/article/view/13285.