title: An adolescent with hemoptysis.
authors.affiliation: *Division of Emergency Medicine, A.I. duPont Hospital for Children, Wilmington, DE; and dagger Division of Emergency Medicine, The Children's Hospital of Philadelphia, Philadelphia, PA.
authors.forename: Marla
authors.initials: M
authors.lastname: Friedman
authors.forename: Nicholas
authors.initials: N
authors.lastname: Tsarouhas
mesh_terms: D000293:Adolescent; D006469:Hemoptysis; D006801:Humans