@misc{indiciae1a4853a7d192,
  title = {Crop lithiasis in a budgerigar.},
  author = {R Batwell},
  year = {1978},
  doi = {10.1111/j.1751-0813.1978.tb05581.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/743061/},
  note = {Source identifier: 743061}
}