@misc{indiciae309783a41176,
  title = {[Black biliary stone: structure, components and lithogenesis].},
  author = {X G Wang and Y M Shi and X Y Hu},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/4092558/},
  note = {Source identifier: 4092558}
}