2Li H,Bioselle P M,Shepard J O. Diagnostic accuracy and safety of CT guided percutneous needle aspiration biopsy of the lung: comparison of small and large pulmonary nodules[J]. AJR, 1996,167:105.
3Teeuwisse WM, Geleijins J, Broerse J J, et al. Patient and staff dose during CT guided biopsy, drainage and coagulation[J].British Journal of Radiology,2001,74(6) :720.