title: DVT in precipitous decline.
mesh_terms: D001900:Boston / Q000453:epidemiology; D006786:Hospitals, Urban; D006801:Humans; D019982:Organizational Case Studies; D011183:Postoperative Complications / Q000453:epidemiology* / Q000517:prevention & control; D020246:Venous Thrombosis / Q000453:epidemiology* / Q000517:prevention & control