@misc{indiciaefce5a6a64bf2,
  title = {[SHSTF: educational model has stood the test].},
  author = {K Christiani and E Hellung-Strohl},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3651083/},
  note = {Source identifier: 3651083}
}