@misc{indiciaefbbd5416876a,
  title = {The thin sow problem.},
  author = {C W Maclean},
  year = {1968},
  doi = {10.1136/vr.83.13.308},
  url = {https://pubmed.ncbi.nlm.nih.gov/5694004/},
  note = {Source identifier: 5694004}
}