Ali, M. R., Devi, T. M., Meher, R., Passey, J. C., Singh, I., & Shereen, F. (2020). Laryngeal diphtheria: still a problem. International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(5), 909–912. https://doi.org/10.18203/issn.2454-5929.ijohns20201685