TY - GEN AU - Steele,B W AU - Witte,D L AU - Whitley,R J AU - Klee,G G AU - Chan,D W TI - The effects of modifying proficiency testing materials on thyroid function test results. A College of American Pathologists Ligand Assay Survey Study SN - 0003-9985 PY - 1998///0204 KW - Data Collection KW - Freeze Drying KW - Humans KW - Models, Biological KW - Quality Control KW - Radioimmunoassay KW - Radioligand Assay KW - Reference Standards KW - Thyroid Function Tests KW - methods KW - Thyroid Gland KW - physiology KW - Thyroxine KW - analysis KW - Thyroxine-Binding Proteins KW - Triiodothyronine N1 - Publication Type: Journal Article ER -