@misc{indiciaec3b7f95f2c02,
  title = {Initial experience with sigmoido-coloscopy.},
  author = {W Dekker and A H Wiebenga and K H Teng and G N Tytgat},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4640883/},
  note = {Source identifier: 4640883}
}