[Possibility of detection of monophasic menstrual cycle by the ratio of estrogens in urine].

@article{Kakushkina1959PossibilityOD,
  title={[Possibility of detection of monophasic menstrual cycle by the ratio of estrogens in urine].},
  author={E A Kakushkina},
  journal={Akusherstvo i ginekologiia},
  year={1959},
  volume={35},
  pages={6-12}
}