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<ahref="https://plu.mx/plum/a/?doi=10.1007%2Fs12032-015-0635-6"data-popup="right"data-size="large"class="plumx-plum-print-popup"data-site="plum"data-hide-when-empty="true">Phase I study of postoperative radiotherapy concurrent with S-1 in patients with gastric cancer</a>