TY - GEN AU - Duffield,P H AU - Birkett,D J AU - Wade,D N AU - Duffield,A M TI - Quantitation of plasma warfarin levels by gas chromatography chemical ionization mass spectrometry SN - 0306-042X PY - 1979///0523 KW - Chromatography, Gas KW - methods KW - Humans KW - Male KW - Mass Spectrometry KW - Warfarin KW - analogs & derivatives N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/bms.1200060304 ER -