@misc{indiciae39a47310fad1,
  title = {Never on a Sunday: programming for IVF-ET and GIFT.},
  author = {J R Zorn and P Boyer and A Guichard},
  year = {1987},
  doi = {10.1016/s0140-6736(87)91756-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/2880186/},
  note = {Source identifier: 2880186}
}