div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Reference Results Guide · ReferenceResults Guide Title: COLOR CHART CD28 Created Date: 3232016 12:11:54 PM src=https:reader034fdocumentsnetreader034viewer20220423115ed94a734cf94f769e03fbb9html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpProduct codeCD28p pUnprp pocesp psedp pFailup presp pProcp pessep pdanp pd corp prectp pSTOP OKp pResultsReferenceGuidepdiv