@misc{indiciae177867e6a4a7,
  title = {Complement fixation in conventional and regressing virus-induced murine leukemia.},
  author = {M A Rich and S Karl and R Clymer},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/4326129/},
  note = {Source identifier: 4326129}
}