Saha, Rakesh, Ujjwal Bandyopadhyay, and Biswajit Halder. “Clinicopathological Correlation of Hyperpigmented Skin Lesions With Special Emphasis on Alkaline Congo Red Stain for Amyloid Detection”. International Journal of Health and Clinical Research 4, no. 1 (January 10, 2021): 104–109. Accessed December 14, 2025. https://ijhcr.com/index.php/ijhcr/article/view/707.