@misc{indiciaee028070aa56b,
  title = {Supplemental instruction: increasing student performance and persistence in difficult academic courses.},
  author = {R Blanc and D C Martin},
  year = {1994},
  doi = {10.1097/00001888-199406000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/7516165/},
  note = {Source identifier: 7516165}
}