@misc{indiciaecd3b8abf1797,
  title = {Backpack = back pain.},
  author = {R L Guyer},
  year = {2001},
  doi = {10.2105/ajph.91.1.16},
  url = {https://pubmed.ncbi.nlm.nih.gov/11189817/},
  note = {Source identifier: 11189817}
}