@misc{indiciaee1a87d5a6138,
  title = {Menstrual cycle influences on operant behavior of female rhesus monkeys.},
  author = {R W Bonsall and D Zumpe and R P Michael},
  year = {1978},
  doi = {10.1037/h0077539},
  url = {https://pubmed.ncbi.nlm.nih.gov/103942/},
  note = {Source identifier: 103942}
}