3[2]Mayo JR,Hartman TE,Tee KS,et al.CT of the chest:minimal tube current required for good image quality with the least radiation dose.AJR,1995,164:603～607.
4[3]Prasad SR,Wittram S.et al:Standarddose and 50%-reduced-dose chest CT:comparing the effect on image quality.AJR,2002,179:461～465.
5[5]Diederich S,Lenzen H,Windmann R,et al.Pulmonary nodules:experimental and clinical studies at low-dose CT.Radiology,1999,213:289～298.
6Diederich S,Wormanns D,Thomas M,et al.Screening for Early Lung Cancer with Low-Dose Spiral CT:Prevalence in 817 Asymptomatic Smokers[J].Radiokogy ,2002,222(3):773-781.
7Diederich S,Lenzen H, Windmann R,et al. Pulmonary nodules: experimental and clinical studies at low-dosr CT[J].Radiology,1999,213(1):289-298.
8Bhalla M ,Shepard JA,Nakamura K,et al.Dual kV CT to detect calcification in solitary pulmonary nodule[J].J Comput Assist Tomogr,1995,19(1):44 -47.
9Henson PW. Determination of electron density, mass density and calcification by mass of soft and osseous tissues by dual energy CT[J].Australas Phys Eng Sci Mde,1989,12(1):3-10.
10Nitta N, Takahashi M, Murata K, et al . Ultra low-dose helical CT of the chest .AJR, 1998, 171: 383-385.
2STUHIFAUT J W,ANDERSON S W,SOTO J A. Bl- unt abdominal trauma:current imaging techniques and CT findings in patients with solid organ. Bowel, and mesenteric injury[J]. Semin Ultrasound CT MR, 2007,28:115-129.
3SCAGLIONE M, PINTO F, LASSANDRO F, et al. Value of contrast enhanced CT for managing mesen- teric injuries after blunt trauma: review of five-year experience[J]. Emerg RadioI, 2002,9 : 26- 31.
4VISRUTARATNA P,NA-CHIANGMAI W. Compu- ted tomography of blunt abdominal trauma in children [J]. Singapore Med J, 2008,49 : 352- 359.
