@misc{indiciae7916021b4288,
  title = {Maternal occupation and delivery outcome: a study using central registry data.},
  author = {A Ericson and M Eriksson and B Källén and R Zetterström},
  year = {1987},
  doi = {10.1111/j.1651-2227.1987.tb10508.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3604670/},
  note = {Source identifier: 3604670}
}