- Benign and malignant oncocytoma of the salivary glands with an immunohistochemical evaluation of Ki-67. Ito, K., Tsukuda, M., Kawabe, R., Nakagawa, C., Matsushita, K., Kubota, A., Furukawa, M., Kameda, Y., Ito, T. ORL J. Otorhinolaryngol. Relat. Spec. (2000)