TY  - RPRT
TI  - Standing at work and preterm delivery.
AU  - J J Morrison
AU  - P J O'Brien
PY  - 1995
DO  - 10.1111/j.1471-0528.1995.tb10893.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8534639/
ID  - 8534639
ER  -