Unusual cause of poor response to cardiac resynchronisation therapy.

@article{Martin2014UnusualCO,
  title={Unusual cause of poor response to cardiac resynchronisation therapy.},
  author={Claire A Martin and Parag R Gajendragadkar and Peter J. Pugh},
  journal={Heart},
  year={2014},
  volume={100 6},
  pages={514}
}