@misc{indiciaeb7efcd2fceeb,
  title = {Immune deficiency diseases.},
  author = {W H Hitzig},
  year = {1975},
  doi = {10.1136/jcp.s1-6.1.83},
  url = {https://pubmed.ncbi.nlm.nih.gov/802876/},
  note = {Source identifier: 802876}
}