title: Snack crackers yield opiate-positive urine.
authors.forename: J R
authors.initials: JR
authors.lastname: McCutcheon
authors.forename: P G
authors.initials: PG
authors.lastname: Wood
mesh_terms: D005189:False Positive Reactions; D005502:Food; D006801:Humans; D009294:Narcotics / Q000652:urine*; D010207:Papaver; D010946:Plants, Medicinal; D015813:Substance Abuse Detection / Q000706:statistics & numerical data*
chemical_list: D009294:Narcotics