Characterization of the LH surge in middle-aged female rats.

@article{Cooper1980CharacterizationOT,
  title={Characterization of the LH surge in middle-aged female rats.},
  author={Ralph L. Cooper and P. Michael Conn and Richard N. Walker},
  journal={Biology of reproduction},
  year={1980},
  volume={23 3},
  pages={611-5}
}