TY - GEN AU - Mathies,J C AU - Austin,M A TI - Modified acetonitrile protein-precipitation method of sample preparation for drug assay by liquid chromatography SN - 0009-9147 PY - 1981///0129 KW - Acetonitriles KW - Analgesics KW - blood KW - Anticonvulsants KW - Chemical Precipitation KW - Chromatography, Liquid KW - methods KW - Protein Denaturation N1 - Publication Type: Letter ER -