[Significance of intraoperative sonography].

@article{Sigel1987SignificanceOI,
  title={[Significance of intraoperative sonography].},
  author={Bernard Sigel and Junji Machi and Toshiyuki Kikuchi and Kent W. Anderson and Howard A. Zaren},
  journal={Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen},
  year={1987},
  volume={58 4},
  pages={207-12}
}