@misc{indiciae8a629fccf842,
  title = {Pig housing: recent trends and problems.},
  author = {D W Sainsbury},
  year = {1969},
  doi = {10.1016/s0007-1935(17)48908-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/5816704/},
  note = {Source identifier: 5816704}
}