@misc{indiciae0576fb8a5144,
  title = {Double contrast barium meal technique.},
  author = {J Kalokerinos},
  year = {1967},
  doi = {10.1111/j.1440-1673.1967.tb01531.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6063516/},
  note = {Source identifier: 6063516}
}