@misc{indiciae9460f070b237,
  title = {Direct illumination method to visualize pulmonary vessels.},
  author = {E VALDIVIA and W OLSON and S SIMON},
  year = {1961},
  doi = {10.1177/000331976101201005},
  url = {https://pubmed.ncbi.nlm.nih.gov/13924305/},
  note = {Source identifier: 13924305}
}