@misc{indiciae06842eb8c4e6,
  title = {[Critical number in ulcerative colitis].},
  author = {C Tai and T Kawashima and W Osawa and N Chikazawa},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/4537579/},
  note = {Source identifier: 4537579}
}