Wiśniewski, M., A. Sionkowska, H. Kaczmarek, S. Lazare, and V. Tokarev. “Influence of Laser Irradiation on the Thin Collagen Films. Part II, Spectroscopic Investigations of Collagen ‘micro-foam’ Structure”. Polimery, vol. 52, no. 7-8, Aug. 2022, pp. 571-8, http://ichp.vot.pl/index.php/p/article/view/1451.