L 2 a Surgery or not in Ewing ́ s sarcoma of the spine , sacrum and pelvis . A Scandinavian sarcoma group experience

@inproceedings{Yeung2013L2A,
  title={L 2 a Surgery or not in Ewing ́ s sarcoma of the spine , sacrum and pelvis . A Scandinavian sarcoma group experience},
  author={C. Yeung and X. Wan and Eyal M. Ramu},
  year={2013}
}