A gas chromatographic-positive ion chemical ionization-mass spectrometric method for determination of cocaine, benzoylecgonine, ecgonine methyl ester, and norcocaine in plasma: detection of norcocaine in plasma after oral administration of cocaine.
Spanbauer
A C
AC
Moody
D E
DE
Foltz
R L
RL
Walsh
S L
SL
D000284:Administration, Oral; D003042:Cocaine / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000097:blood*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D009294:Narcotics / Q000008:administration & dosage / Q000097:blood*
D009294:Narcotics; C008671:norcocaine; C005618:benzoylecgonine; D003042:Cocaine; C034524:ecgonine methyl ester