Contraceptive use in the United States, 1973-88.

@article{Mosher1990ContraceptiveUI,
  title={Contraceptive use in the United States, 1973-88.},
  author={William D. Mosher and W. F. Pratt},
  journal={Patient education and counseling},
  year={1990},
  volume={16 2},
  pages={163-72}
}