@article{article4321,
  title = {Cardiac Perforation Due to Crochet Hook:  A Pediatric Patient with Penetrating Cardiac Injury},
  author = {Levent, E. and Tayyip  Arslan, M. and Ruhi  Özyürek, A. and Atay, Y. and Alayunt, A. and Parlar, A.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2003},
  volume = {3},
  pages = {177-179},
  doi = {}
}