TY  - RPRT
TI  - Head-to-cervix force: an important physiological variable in labour. 2. Peak active force, peak active pressure and mode of delivery.
AU  - A C Allman
AU  - E S Genevier
AU  - M R Johnson
AU  - P J Steer
PY  - 1996
DO  - 10.1111/j.1471-0528.1996.tb09871.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8760705/
ID  - 8760705
ER  -