Longevity of spermatozoa in the reproductive tract of the bitch.

@article{Doak1967LongevityOS,
  title={Longevity of spermatozoa in the reproductive tract of the bitch.},
  author={R. L. Doak and Andrew Hall and Harvey Dale},
  journal={Journal of reproduction and fertility},
  year={1967},
  volume={13 1},
  pages={51-8}
}