title: A 30-year-old man with a history of polysubstance abuse and hepatitis C presents with exertional dyspnea and patchy ground-glass opacities.
authors.affiliation: New York School of Medicine/New York University and Bellevue Medical Center, New York, NY 10016, USA. francisg71@yahoo.co.uk
authors.forename: Francis
authors.initials: F
authors.lastname: Girvin
authors.forename: Ioannis
authors.initials: I
authors.lastname: Vlahos
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology* / Q000473:pathology; D006526:Hepatitis C / Q000150:complications* / Q000473:pathology; D006801:Humans; D008168:Lung / Q000473:pathology*; D008297:Male; D005082:Physical Exertion / Q000502:physiology; D017565:Sarcoidosis, Pulmonary / Q000175:diagnosis* / Q000209:etiology / Q000473:pathology; D019966:Substance-Related Disorders / Q000150:complications* / Q000473:pathology