Tareen, Meherullah, Ahsan Mahmood, Muhammad Yousaf Khan, and Saifullah Tareen. “EFFICACY OF METHOTREXATE IN THE MANAGEMENT OF LOCALLY ADVANCED AND METASTATIC HEAD AND NECK CANCERS”. Pakistan Armed Forces Medical Journal 69, no. 6 (December 19, 2019): 1253–57. Accessed April 20, 2024. https://pafmj.org/PAFMJ/article/view/3645.