@misc{indiciae9ddbc7787b4f,
  title = {SERUM COMPLEMENT LEVELS IN ACTIVE ULCERATIVE COLITIS.},
  author = {J FLETCHER},
  year = {1965},
  doi = {10.1136/gut.6.2.172},
  url = {https://pubmed.ncbi.nlm.nih.gov/14279721/},
  note = {Source identifier: 14279721}
}