@misc{indiciae9be1c874f64e,
  title = {False pregnancy and proligestone.},
  author = {J L van Os},
  year = {1980},
  doi = {10.1136/vr.106.2.36},
  url = {https://pubmed.ncbi.nlm.nih.gov/7189078/},
  note = {Source identifier: 7189078}
}