@misc{indiciae6c2f960c5259,
  title = {The laboratory for learning resources.},
  author = {E L Spilman},
  year = {1973},
  doi = {10.1097/00001888-197309000-00011},
  url = {https://pubmed.ncbi.nlm.nih.gov/4126193/},
  note = {Source identifier: 4126193}
}