Three-dimensional endoanal ultrasonography: intraobserver and interobserver agreement using scoring systems for classification of anal sphincter defects
S. Norderval, T. Dehli, B. VonenVolume:
33
Year:
2009
Language:
english
Pages:
7
DOI:
10.1002/uog.6295
File:
PDF, 92 KB
english, 2009