@misc{indiciae7c2ed7787319,
  title = {[Esophago-gastro-bulboscopy].},
  author = {M T Brauns and K Voigt and H Borgstede and F H Franken},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5137402/},
  note = {Source identifier: 5137402}
}