1Soda H,Tomita H,Kohno S,et al.Limitation of annual screening radiolog-raphy for the diagnosis of lung cancer,A retrospective study[J].Cancer,1993,72(2):341-346.
2Yamashita K,Mat sunobe S,Tsuda T,et al.Solitary pulmonary nodual:pre-liminary study of evaluation with incrementaldynamic CT[J].Radiology,1995,194(2):399-405.