@misc{indiciae921c2266ebc7,
  title = {Relationship between variation in conceptus development and differences in estrous cycle duration in ewes.},
  author = {K P Nephew and K E McClure and T L Ott and D H Dubois and F W Bazer and W F Pope},
  year = {1991},
  doi = {10.1095/biolreprod44.3.536},
  url = {https://pubmed.ncbi.nlm.nih.gov/2015370/},
  note = {Source identifier: 2015370}
}