@misc{indiciae940c08cb5b6e,
  title = {Observations on Rh active substances.},
  author = {I Wolff and G F Springer},
  year = {1965},
  doi = {10.1159/000384300},
  url = {https://pubmed.ncbi.nlm.nih.gov/4956198/},
  note = {Source identifier: 4956198}
}