@misc{indiciaeadaebcbc7d2e,
  title = {Fine structural evidence for hormone secretion by the human thymus.},
  author = {J M Vetters and R F Macadam},
  year = {1973},
  doi = {10.1136/jcp.26.3.194},
  url = {https://pubmed.ncbi.nlm.nih.gov/4700501/},
  note = {Source identifier: 4700501}
}