title: Is a negative urine drug screen truly negative?
authors.affiliation: Inpatient Consult Service, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA.
authors.forename: Brooke
authors.initials: B
authors.lastname: Anderson
authors.affiliation: Department of Anesthesiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA. Electronic address: alaaawny@hotmail.com.
authors.forename: Alaa
authors.initials: A
authors.lastname: Abd-Elsayed
mesh_terms: D000328:Adult; D000701:Analgesics, Opioid / Q000652:urine*; D006801:Humans; D008297:Male; D010098:Oxycodone / Q000652:urine*; D015813:Substance Abuse Detection / Q000379:methods*; D016482:Urinalysis / Q000379:methods
chemical_list: D000701:Analgesics, Opioid; D010098:Oxycodone