@misc{indiciae5079d499f9c8,
  title = {[Development of a control serum for syphilis-CFT (Complement Fixation Tests)].},
  author = {W Röthig and G Schabinski and J Mohr},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4770627/},
  note = {Source identifier: 4770627}
}