Cardiac cephalgia and cardiac migraine.

@article{Shubhakaran2010CardiacCA,
  title={Cardiac cephalgia and cardiac migraine.},
  author={Shubhakaran and Girdhari Lal Dhayal},
  journal={The Journal of the Association of Physicians of India},
  year={2010},
  volume={58},
  pages={57; author reply 57-8}
}