@misc{indiciae921e40835cd9,
  title = {Pseudomembranous colitis: sonographic features.},
  author = {D B Downey and S R Wilson},
  year = {1991},
  doi = {10.1148/radiology.180.1.2052724},
  url = {https://pubmed.ncbi.nlm.nih.gov/2052724/},
  note = {Source identifier: 2052724}
}