7Altmeyer P,Hoffmann K,Stucker M,et al.General phenomena of ultrasound in dermatology[M].Altmeyer P,el-Gammal S,Hoffmann K.Ultrasound in Dermatology.Berlin:SpringerVerlag,1992.55-79.
8Giovagnorio F,Andreoli C,De Cicco ML.Color Doppler sonography of focal lesions of the skin and subcutaneous tissue[J].J Ultrasound Med,1999,18(2):89-93.
9Thain LM,Downey DB.Sonography of peripheral nerves:technique,anatomy and pathology[J].Ultrasound Q,2002,18(4):225-245.
