@misc{indiciaed259816adbc2,
  title = {Fertility problems in dairy herds.},
  author = {P Ball},
  year = {1983},
  doi = {10.1136/inpract.5.6.189},
  url = {https://pubmed.ncbi.nlm.nih.gov/6686214/},
  note = {Source identifier: 6686214}
}