The William Nelson ECG quiz.

@article{2005TheWN,
  title={The William Nelson ECG quiz.},
  author={},
  journal={Cardiovascular journal of South Africa : official journal for Southern Africa Cardiac Society [and] South African Society of Cardiac Practitioners},
  year={2005},
  volume={16 5},
  pages={259, 265}
}
  • Published 2005 in
    Cardiovascular journal of South Africa : official…