RT Journal Article SR Electronic T1 Tumor hypoxia is associated with resistance to PD-1 blockade in squamous cell carcinoma of the head and neck JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e002088 DO 10.1136/jitc-2020-002088 VO 9 IS 5 A1 Zandberg, Dan P A1 Menk, Ashley V A1 Velez, Maria A1 Normolle, Daniel A1 DePeaux, Kristin A1 Liu, Angen A1 Ferris, Robert L A1 Delgoffe, Greg M YR 2021 UL http://jitc.bmj.com/content/9/5/e002088.abstract AB Markup server — Error Not Found The page you were trying to reach could not be found. Please check the address for the page you were trying to reach. If you believe you have reached this page in error, you may contact us with any questions.