title: Regional lung-function abnormalities in narcotic addicts.
mesh_terms: D000293:Adolescent; D000328:Adult; D005260:Female; D006207:Half-Life; D003932:Heroin; D006556:Heroin Dependence / Q000503:physiopathology; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008297:Male; D008863:Microspheres; D011877:Radionuclide Imaging; D019966:Substance-Related Disorders / Q000503:physiopathology*; D013667:Technetium; D013997:Time Factors; D014692:Ventilation-Perfusion Ratio; D014797:Vital Capacity; D014978:Xenon
chemical_list: D014978:Xenon; D003932:Heroin; D013667:Technetium