Malick, N., Gadag, R. P., K. M., V., & Puthukulangara, S. (2017). Comparative study of type 1 tympanoplasty with and without gelfoam in the middle ear. International Journal of Otorhinolaryngology and Head and Neck Surgery, 3(4), 1036–1041. https://doi.org/10.18203/issn.2454-5929.ijohns20174328