@misc{indiciae823e9833a1bd, title = {Head-to-cervix force: an important physiological variable in labour. 2. Peak active force, peak active pressure and mode of delivery.}, author = {A C Allman and E S Genevier and M R Johnson and P J Steer}, year = {1996}, doi = {10.1111/j.1471-0528.1996.tb09871.x}, url = {https://pubmed.ncbi.nlm.nih.gov/8760705/}, note = {Source identifier: 8760705} }