Elevated progesterone: estradiol ratio--another test of ovarian reserve?

@article{Younis2003ElevatedPE,
  title={Elevated progesterone: estradiol ratio--another test of ovarian reserve?},
  author={Johnny S. Younis},
  journal={Fertility and sterility},
  year={2003},
  volume={80 3},
  pages={679; author reply 679-80}
}