@misc{indiciae5afedeec2e9a,
  title = {[Color slides as an aid in optimizing the teaching process].},
  author = {N E Liashchenko and S E Graff and V A Drozhalkin and N I Maliarenko},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/2425483/},
  note = {Source identifier: 2425483}
}