@misc{indiciae75a30e5a4321,
  title = {Is there a surplus?},
  author = {T Browning},
  year = {1986},
  doi = {10.1136/vr.118.16.468},
  url = {https://pubmed.ncbi.nlm.nih.gov/3716118/},
  note = {Source identifier: 3716118}
}