TY  - RPRT
TI  - Umbilical artery flow velocity waveforms in labour.
AU  - F M Fairlie
AU  - G D Lang
AU  - C D Sheldon
PY  - 1989
DO  - 10.1111/j.1471-0528.1989.tb01654.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2930739/
ID  - 2930739
ER  -