TY - GEN AU - Swanson,Paul E TI - Validation and Proficiency Testing of Biomarker Immunohistochemistry: Diagnostic Accuracy "Fit for Purpose" in a 3D World SN - 1533-4058 PY - 2019///1206 KW - B7-H1 Antigen KW - Biomarkers KW - Immunohistochemistry KW - Laboratory Proficiency Testing N1 - Publication Type: Editorial; Comment UR - https://doi.org/10.1097/PAI.0000000000000746 ER -