@misc{indiciae80bcd01dc364,
  title = {Classification of severe school attendance problems.},
  author = {I Berg and G Casswell and A Goodwin and R Hullin and R McGuire and G Tagg},
  year = {1985},
  doi = {10.1017/s0033291700021024},
  url = {https://pubmed.ncbi.nlm.nih.gov/3991830/},
  note = {Source identifier: 3991830}
}