TY  - RPRT
TI  - Cervical tension during labor.
AU  - L Lindgren
AU  - H Siener
PY  - 1966
DO  - 10.1016/0002-9378(66)90127-x
UR  - https://pubmed.ncbi.nlm.nih.gov/5939263/
ID  - 5939263
ER  -