@misc{indiciae1c0b11d73583,
  title = {[Gray scale echocholecystography].},
  author = {I Török and Z Harkányi and E Makó},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7366982/},
  note = {Source identifier: 7366982}
}