Malick, N., Gadag, R.P., K. M., V. and 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 (Sep. 2017), 1036–1041. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20174328.