title: False-positive urine drug screen: beware the poppy seed bagel.
authors.forename: E J
authors.initials: EJ
authors.lastname: Narcessian
authors.forename: H J
authors.initials: HJ
authors.lastname: Yoon
mesh_terms: D000701:Analgesics, Opioid / Q000652:urine*; D005260:Female; D006801:Humans; D008691:Methadone / Q000652:urine*; D010207:Papaver; D010946:Plants, Medicinal; D011237:Predictive Value of Tests
chemical_list: D000701:Analgesics, Opioid; D008691:Methadone