@misc{indiciae289403f086ff,
  title = {Exposure variables in ergonomic epidemiology.},
  author = {M Hagberg},
  year = {1992},
  doi = {10.1002/ajim.4700210111},
  url = {https://pubmed.ncbi.nlm.nih.gov/1553989/},
  note = {Source identifier: 1553989}
}