Circadian timekeeping in health and disease. Part 1. Basic properties of circadian pacemakers.

@article{MooreEde1983CircadianTI,
  title={Circadian timekeeping in health and disease. Part 1. Basic properties of circadian pacemakers.},
  author={Martin Moore-Ede and Charles A. Czeisler and Gary S. Richardson},
  journal={The New England journal of medicine},
  year={1983},
  volume={309 8},
  pages={469-76}
}