PRECISION-DRIVEN REVIEWS DELIVER FDA-COMPLIANT RESULTS AND SAVE TIME Occasionally, Covance Central Laboratory Services (CLS) calls upon external labs for help with either rarely performed or proprietary assays. In this case, we had to send a proprietary hepatitis marker assay, used in screening trial patients, to the only referral lab in the US that can currently handle it. The lab informed us that there was a change in methodology. In orde

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