Suppression of serum testosterone concentrations in men by an oral contraceptive preparation.

@article{Kjeld1977SuppressionOS,
  title={Suppression of serum testosterone concentrations in men by an oral contraceptive preparation.},
  author={J M Kjeld and C. M. Puah and Bella Kaufman and Sozos Loizou and J Vlotides and G. F. Joplin},
  journal={British medical journal},
  year={1977},
  volume={2 6097},
  pages={1261}
}