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<ahref="https://plu.mx/plum/a/?doi=10.1007%2Fs00432-021-03750-z"data-popup="right"data-size="large"class="plumx-plum-print-popup"data-site="plum"data-hide-when-empty="true">Analysis of cytokines in serum and bronchoalveolar lavage fluid in patients with immune-checkpoint inhibitor-associated pneumonitis: a cross-sectional case–control study</a>