@misc{indiciae192c15a03340,
  title = {Transfer factor (diffusing capacity). Steady state method.},
  author = {G Koch and C Gaultier and M Boulé and M Chaussain},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2730749/},
  note = {Source identifier: 2730749}
}