title: An unusual cause of hemoptysis in an i.v. drug abuser.
authors.forename: D K
authors.initials: DK
authors.lastname: Litwin
mesh_terms: D001980:Bronchi; D005547:Foreign Bodies / Q000150:complications*; D006469:Hemoptysis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009339:Needles; D015819:Substance Abuse, Intravenous