@misc{indiciaef91daec16692,
  title = {Urolithasis in pig units--a gritty problem.},
  author = {S H Done},
  year = {2004},
  doi = {10.1016/j.tvjl.2003.11.003},
  url = {https://pubmed.ncbi.nlm.nih.gov/15501136/},
  note = {Source identifier: 15501136}
}