Opilski, Z., T. Pustelny, M. Pach, and T. Hejczyk. “Optical Diagnostic System for Visualization Subcutaneous Blood Vessels”. Opto-Electronics Review 28, no. 2 (June 30, 2020): 64–68. Accessed August 16, 2026. https://wydawnictwo.pan.pl/index.php/opelre/article/view/605.