title: Identical Twins, Matching Symptoms: Hypersensitivity Pneumonitis.
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University in St Louis, St Louis, MO.
authors.forename: Catherine
authors.initials: C
authors.lastname: Chen
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Department of Medicine, Washington University in St Louis, St Louis, MO. Electronic address: wisakow@dom.wustl.edu.
authors.forename: Warren
authors.initials: W
authors.lastname: Isakow
mesh_terms: D000542:Alveolitis, Extrinsic Allergic / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000235:genetics / Q000276:immunology; D000818:Animals; D004200:Diseases in Twins / Q000175:diagnosis*; D005241:Feathers / Q000276:immunology; D005260:Female; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014430:Twins, Monozygotic