Towards evidence-based use of serum tumour marker requests: an audit of use in a tertiary hospital.
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D014408:Biomarkers, Tumor / Q000097:blood*; D006764:Hospitals, Community / Q000706:statistics & numerical data*; D006801:Humans; D008485:Medical Audit / Q000706:statistics & numerical data*; D009369:Neoplasms / Q000097:blood / Q000175:diagnosis*
D014408:Biomarkers, Tumor