title: Chronic parkinsonism secondary to intranasal administration of a product of meperidine-analogue synthesis.
mesh_terms: D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; D000281:Administration, Intranasal; D000328:Adult; D002908:Chronic Disease; D006801:Humans; D008297:Male; D010302:Parkinson Disease, Secondary / Q000139:chemically induced*; D011725:Pyridines / Q000506:poisoning*; D019966:Substance-Related Disorders
chemical_list: D011725:Pyridines; D015632:1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine