TY  - RPRT
TI  - Computer analysis of labour progression.
AU  - E A Friedman
AU  - B H Kroll
PY  - 1969
DO  - 10.1111/j.1471-0528.1969.tb05788.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5359671/
ID  - 5359671
ER  -