@misc{indiciaefdc64ed3a2c0,
  title = {[Gallbladders without stones].},
  author = {G Elfving},
  year = {1969},
  doi = {10.1007/bf01255975},
  url = {https://pubmed.ncbi.nlm.nih.gov/5372369/},
  note = {Source identifier: 5372369}
}