@misc{indiciae318ac4980b7e,
  title = {Continuing education courses for physicians.},
  author = {C H Ruhe and R W Howard},
  year = {1969},
  doi = {10.1001/jama.209.5.693},
  url = {https://pubmed.ncbi.nlm.nih.gov/4893696/},
  note = {Source identifier: 4893696}
}