1Ruf B,Schurman B,Horbach I,et al.Provalence and diagnosis of legionella phenmonia:A3-year prospective study with Empersis on Applicateion of Uringary A ntigen[J].J Infeet Dis,1990,162:1341.
2Fairoank JT.The chest radiograph in legionnaires'disease[J].Radiology,1983,147:335.