the results are presented from the analysis of 10,000 urine specimens from los angeles county probationers in early 1976 for the following drugs : amphetamine , methamphetamine , allylbarbital , amobarbital , butabarbital , pentobarbital , phenobarbital , secobarbital , morphine , codeine , methadone , primary metabolite of methadone , cocaine , benzoylecgonine , propoxyphene , norpropoxyphene , methaqualone , and phencyclidine .
C0026549
morphine
C0009214
codeine