Urine drug screening.
Valentine
J L
JL
Farrar
H
H
James
L
L
Wells
T
T
Simpson
P
P
D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013287:Illicit Drugs / Q000652:urine*; D007118:Immunoassay / Q000379:methods
D013287:Illicit Drugs