title: Heparin plus alteplase compared with heparin alone in patients with submassive pulmonary embolism.
authors.forename: William D
authors.initials: WD
authors.lastname: Haire
mesh_terms: D004311:Double-Blind Method; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D011655:Pulmonary Embolism / Q000188:drug therapy*; D010959:Tissue Plasminogen Activator / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D006493:Heparin; D010959:Tissue Plasminogen Activator