Cyclic nucleotide phosphodiesterases.

@article{Appleman1973CyclicNP,
  title={Cyclic nucleotide phosphodiesterases.},
  author={M. Michael Appleman and William J. Thompson and Thomas R. Russell},
  journal={Advances in cyclic nucleotide research},
  year={1973},
  volume={3},
  pages={65-98}
}