@misc{indiciae33be32470f6c,
  title = {[Use of serologic reactions for determining the concentration of the determinants of an antigen and its valence].},
  author = {M I Levi and M M Livshits and L N Apanovskiĭ},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/74927/},
  note = {Source identifier: 74927}
}