@misc{indiciae017b04313de7,
  title = {Why in-winter?},
  author = {W Longrigg},
  year = {1969},
  doi = {10.1136/vr.84.11.274},
  url = {https://pubmed.ncbi.nlm.nih.gov/5813139/},
  note = {Source identifier: 5813139}
}