@article{article571,
  title = {53 Percutaneous tracheostomy cases performed with Griggs method},
  author = {Ersoy, A. and Ali, A. and Ünlü, N. and Kara, D. and Turgut, N.},
  journal = {European Archives of Medical Research},
  year = {2012},
  volume = {28},
  pages = {134-137},
  doi = {10.5222/otd.2012.134}
}