@article{12769,
  author = {Kenneth R Fernández Taylor},
  title = {Excessive work hours of physicians in training in El Salvador: putting patients at risk.},
  year = {2007},
  journal = {PLoS Med},
  volume = {4},
  pages = {e205},
  month = {07/2007},
  issn = {1549-1676},
  language = {eng},
}