@misc{indiciae10d1f7756d0a,
  title = {ABO bloodgroups in cholelithiasis.},
  author = {M R Chakravartti and R Chakravartti},
  year = {1979},
  url = {https://pubmed.ncbi.nlm.nih.gov/316675/},
  note = {Source identifier: 316675}
}