@misc{indiciae54535f7f68d0,
  title = {Ringlike rectal ulcers after biopsy or polypectomy.},
  author = {A S Lev-Toaff and M S Levine and I Laufer and H Herlinger},
  year = {1987},
  doi = {10.2214/ajr.148.2.285},
  url = {https://pubmed.ncbi.nlm.nih.gov/3492105/},
  note = {Source identifier: 3492105}
}