@misc{indiciae8473ef50446f,
  title = {Defecography.},
  author = {O Ekberg and G Nylander and F T Fork},
  year = {1985},
  doi = {10.1148/radiology.155.1.3975418},
  url = {https://pubmed.ncbi.nlm.nih.gov/3975418/},
  note = {Source identifier: 3975418}
}