“Nonlinear Optics of Skin: Enhancement of Autofluorescence and Second Harmonic Generation Signals by Immersion Optical Clearing” (2023) Journal of Biomedical Photonics & Engineering, 9(3), p. 030201. Available at: https://www.jbpe.ssau.ru/index.php/JBPE/article/view/8948 (Accessed: 22 October 2026).