[文献资料]主要参考文献

2 ． Fraquelli M，Rigamonti C，Casazza G，et al ． Reproducibility of transient elastography in the evaluation of liver flbro‐sis in patients with chronic liver disease ． Gut，2007，56.6 ． Fahey BJ，Trahey GE ． In vivo visualization of abdominalmalig：nancies with ......