Pathak, V. K., P. Nayak, S. Tyagi, and R. Chaudhary. “Tragal Perichondrium As Graft Material in Tympanoplasty: Our Experience”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 7, no. 3, Feb. 2021, pp. 430-3, doi:10.18203/issn.2454-5929.ijohns20210491.