@misc{indiciaec2d1c04d1127,
  title = {Calcified ballbladder (porcelain gallbladder).},
  author = {H Ashur and B Siegal and Y Oland and Y G Adam},
  year = {1978},
  doi = {10.1001/archsurg.1978.01370170056010},
  url = {https://pubmed.ncbi.nlm.nih.gov/646619/},
  note = {Source identifier: 646619}
}