@misc{indiciaec75812e3172f,
  title = {[Diagnostic effectiveness in roentgen examination of the stomach using a standardized basic program].},
  author = {G Böck and K Richter},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5578167/},
  note = {Source identifier: 5578167}
}