The dilution effect on surface tension of cervical mucus and its variability with the menstrual cycle.

@article{Lippes1965TheDE,
  title={The dilution effect on surface tension of cervical mucus and its variability with the menstrual cycle.},
  author={Jack Lippes and L B Hurwitz},
  journal={Fertility and sterility},
  year={1965},
  volume={16 6},
  pages={722-6}
}