TY  - RPRT
TI  - Maternal occupation and delivery outcome: a study using central registry data.
AU  - A Ericson
AU  - M Eriksson
AU  - B Källén
AU  - R Zetterström
PY  - 1987
DO  - 10.1111/j.1651-2227.1987.tb10508.x
UR  - https://pubmed.ncbi.nlm.nih.gov/3604670/
ID  - 3604670
ER  -