RT Journal Article SR Electronic T1 Moving beyond conventional stratified analysis to assess the treatment effect in a comparative oncology study JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e003323 DO 10.1136/jitc-2021-003323 VO 9 IS 11 A1 Sun, Ryan A1 McCaw, Zachary A1 Tian, Lu A1 Uno, Hajime A1 Hong, Fangxin A1 Kim, Dae Hyun A1 Wei, Lee-Jen YR 2021 UL http://jitc.bmj.com/content/9/11/e003323.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.