@misc{indiciaea6828aa64067,
  title = {Problem-based learning: have the expectations been met?},
  author = {L Berkson},
  year = {1993},
  doi = {10.1097/00001888-199310000-00053},
  url = {https://pubmed.ncbi.nlm.nih.gov/8216642/},
  note = {Source identifier: 8216642}
}