Khetarpal, S., T. Mhapsekar, R. Nagar, and A. Parihar. “Oral Histoplasmosis Masquerading As Acute Necrotizing Ulcerative Gingivitis: A Rare Case Report”. International Journal of Health Sciences, vol. 13, no. 5, Aug. 2019, https://pub.qu.edu.sa/index.php/journal/article/view/3637.