Endothelium-derived relaxing factor.

@article{Angus1989EndotheliumderivedRF,
  title={Endothelium-derived relaxing factor.},
  author={James A. S. Angus and T. M. Cocks},
  journal={Pharmacology & therapeutics},
  year={1989},
  volume={41 1-2},
  pages={303-52}
}