TY  - RPRT
TI  - Predicting preterm delivery.
AU  - J G Thornton
AU  - R J Lilford
PY  - 1992
DO  - 10.1136/bmj.305.6857.830-c
UR  - https://pubmed.ncbi.nlm.nih.gov/1422374/
ID  - 1422374
ER  -