Outcomes after radiotherapy for basaloid squamous cell carcinoma of the head and neck: A case–control study - Anesa Ahamad; Randal S. Weber; Juliette Thariat; Bonnie S. Glisson; William H. Morrison; Adam S. Garden; Adel K. El-Naggar; K. Kian Ang; F.C. Holsinger; Michelle D. Williams; Pamela K. Allen (Cancer, 2008)