@article{
  author = {Ayatollahi, Ahmad, Sabzpooshan, S. H.},
  title = {An Improved Method for Adaptive Noise Cancellation of ECG Signals in very Difficult Conditions},
  journal = {Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran},
  year = {2003},
  volume = {1},
  number = {1},
  pages = {45-47},
  doi = {}
}