@misc{indiciaefe38a3ec4003,
  title = {Muscle abnormality in ulcerative colitis.},
  author = {B C Morson},
  year = {1969},
  doi = {10.1056/nejm196908072810612},
  url = {https://pubmed.ncbi.nlm.nih.gov/4183176/},
  note = {Source identifier: 4183176}
}