SEIFERT, G. Histological typing of salivary gland tumors. 1991, 1-112
SEIFERT, G. The World Health Organization' s histological classification of salivary gland tumors ; a commentary on the second edition. Cancer. 1992, 70, 379-385
SOM, PM. Tumors of the parapharyngeal space ; preoperative evalution, diagnosis and surgical approaches. Ann Otol Rhinol Laryngol Suppl. 1981, 90, 3-15
HUGHES, KY. Parapharyngeal space neoplasms. Head Neck. 1995, 17, 124-130