%0 Journal Article %T Tumor Mutational Burden and Efficacy of Nivolumab Monotherapy and in Combination with Ipilimumab in Small-Cell Lung Cancer %J - %D 2019 %R https://doi.org/10.1016/j.ccell.2019.01.011 %X (Cancer Cell 33, 853¨C861.e1¨Ce4; May 14, 2018 %U https://www.cell.com/cancer-cell/fulltext/S1535-6108(19)30045-5