Youssef, A. H., Alboghdady, M. H., Salah, M., & Mohamed, A. H. (2022). Endoscopic closure of tympanic membrane perforations by platelet-richplasma laden cartilage with perichondrium. International Journal of Health Sciences, 6(S9), 934–947. https://doi.org/10.53730/ijhs.v6nS9.12357