@misc{indiciae2372d0fbb1c9,
  title = {Interobserver agreement in defecography--an international study.},
  author = {S A Müller-Lissner and D C Bartolo and J Christiansen and O Ekberg and R Goei and W Höpfner and A Infantino and H C Kuijpers and F Selvaggi and A Wald},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9612924/},
  note = {Source identifier: 9612924}
}