A decline in breast-cancer incidence.

@article{Cady2007ADI,
  title={A decline in breast-cancer incidence.},
  author={Blake Cady and Maureen A. Chung and James S. Michaelson},
  journal={The New England journal of medicine},
  year={2007},
  volume={357 5},
  pages={511; author reply 513}
}