title: False positives with current carbocisteine protocol for sulphoxidation phenotyping.
authors.forename: A
authors.initials: A
authors.lastname: Küpfer
authors.forename: J R
authors.initials: JR
authors.lastname: Idle
mesh_terms: D000284:Administration, Oral; D002233:Carbocysteine / Q000031:analogs & derivatives / Q000652:urine; D003545:Cysteine / Q000031:analogs & derivatives*; D005069:Evaluation Studies as Topic; D005189:False Positive Reactions; D006801:Humans; D010641:Phenotype; D011110:Polymorphism, Genetic
chemical_list: C063848:carbocysteine sulfoxide; D002233:Carbocysteine; D003545:Cysteine