title: [Analysis and assessment of meperidine and normeperidine concentrations in urine].
abstract: In this study, urine concentrations of meperidine and normeperidine after a single therapeutic dose of meperidine in 5 healthy volunteers have been measured and compared the results to those in meperidine addicts. The results showed that there was a significant difference between two groups in the ratio of metabolite to parent drug. If can be concluded that the ratio should be aid in making a cause of meperidine injection.
authors.affiliation: Institute of Forensic Sciences, Ministry of Justice.
authors.forename: M
authors.initials: M
authors.lastname: Shen
authors.forename: B
authors.initials: B
authors.lastname: Shen
authors.forename: P
authors.initials: P
authors.lastname: Xiang
mesh_terms: D000328:Adult; D006801:Humans; D008614:Meperidine / Q000008:administration & dosage / Q000031:analogs & derivatives* / Q000652:urine*; D015813:Substance Abuse Detection; D019966:Substance-Related Disorders / Q000652:urine*
chemical_list: D008614:Meperidine; C002752:normeperidine