title: Coffee as an interference in the Duquenois test: a differential test.
mesh_terms: D002188:Cannabis / Q000032:analysis*; D003069:Coffee; D004146:Dioxanes; D005189:False Positive Reactions; D005421:Flavoring Agents; D008722:Methods
chemical_list: D003069:Coffee; D004146:Dioxanes; D005421:Flavoring Agents