@misc{indiciae408f25f11a76,
  title = {A decrease in the metabolic clearance rate of progesterone in the coypu during pregnancy.},
  author = {D V Illingworth and R B Heap},
  year = {1971},
  doi = {10.1530/jrf.0.0270492},
  url = {https://pubmed.ncbi.nlm.nih.gov/5133632/},
  note = {Source identifier: 5133632}
}