Swarna, S R, Stalin Sivagurunathan, T Bharathi, Mohan Kumar, M Lavanya, and D Jeyakumari, trans. “Diphtheria in Adult - A Case Report”. Indian Journal of Case Reports 6, no. 4 (April 27, 2020): 160–162. Accessed December 8, 2025. https://www.mansapublishers.com/ijcr/article/view/2273.