RT Journal Article SR Electronic T1 CD8+PD-1+ to CD4+PD-1+ ratio (PERLS) is associated with prognosis of patients with advanced NSCLC treated with PD-(L)1 blockers JF Journal for ImmunoTherapy of Cancer JO J Immunother Cancer FD BMJ Publishing Group Ltd SP e004012 DO 10.1136/jitc-2021-004012 VO 10 IS 2 A1 Duchemann, Boris A1 Naigeon, Marie A1 Auclin, Edouard A1 Ferrara, Roberto A1 Cassard, Lydie A1 Jouniaux, Jean-Mehdi A1 Boselli, Lisa A1 Grivel, Jonathan A1 Desnoyer, Aude A1 Danlos, François-Xavier A1 Mezquita, Laura A1 Caramella, Caroline A1 Marabelle, Aurelien A1 Besse, Benjamin A1 Chaput, Nathalie YR 2022 UL http://jitc.bmj.com/content/10/2/e004012.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.