@misc{indiciaeeb8a4eaceef5,
  title = {Robert Edwin Rickenberg, M. D., 1915-1968.},
  author = {R E Levis and D I Gillum},
  year = {1969},
  doi = {10.1148/92.5.1133},
  url = {https://pubmed.ncbi.nlm.nih.gov/4890572/},
  note = {Source identifier: 4890572}
}