TY  - RPRT
TI  - Preinduction cervical ripening: basis and methods of current practice.
AU  - William F Rayburn
PY  - 2002
DO  - 10.1097/00006254-200210000-00022
UR  - https://pubmed.ncbi.nlm.nih.gov/12368596/
ID  - 12368596
ER  -