Nipaporn Mungkhunkarn และ Kulaya Narksawat. (2010) Prognostic factors associated with recurrence of nasopharyngeal carcinoma. Mahidol University:ม.ป.ท.Nipaporn Mungkhunkarn และ Kulaya Narksawat. 2010. Prognostic factors associated with recurrence of nasopharyngeal carcinoma. ม.ป.ท.:Mahidol University;Nipaporn Mungkhunkarn และ Kulaya Narksawat. Prognostic factors associated with recurrence of nasopharyngeal carcinoma. ม.ป.ท.:Mahidol University, 2010. Print.