title: Street-drug contaminant causing parkinsonism.
mesh_terms: D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; D004340:Drug Contamination; D006801:Humans; D013287:Illicit Drugs; D008614:Meperidine; D010302:Parkinson Disease, Secondary / Q000139:chemically induced*; D004364:Pharmaceutical Preparations; D011725:Pyridines / Q000506:poisoning*; D019966:Substance-Related Disorders
chemical_list: D013287:Illicit Drugs; D004364:Pharmaceutical Preparations; D011725:Pyridines; D008614:Meperidine; D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine