@inproceedings{PadoyMIA09,
  author    = {Nicolas Padoy and Tobias Blum and Ahmad Ahmadi and Hubertus Feussner and Marie-Odile Berger and Nassir Navab},
  title     = {Statistical Modeling and Recognition of Surgical Workflow},
  journal   = {Medical Image Analysis},
  volume    = {16},
  number    = {3},
  year      = {2012},
  pages     = {632-641},
  ee        = {http://dx.doi.org/10.1016/j.media.2010.10.001}
}