@misc{indiciae60bf00e40fbb,
  title = {Improved sonographic visualization of choledocholithiasis.},
  author = {B Dong and M Chen},
  doi = {10.1002/jcu.1870150306},
  url = {https://pubmed.ncbi.nlm.nih.gov/3134413/},
  note = {Source identifier: 3134413}
}