@misc{indiciaead2fdb302825,
  title = {[Case report: decreased laying performance as a contributing problem].},
  author = {J Zentek and B Haas and U Siesenop and S Braune},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9340261/},
  note = {Source identifier: 9340261}
}