TY  - RPRT
TI  - Prostaglandin E2 preparations for preinduction cervical ripening.
AU  - F R Witter
PY  - 2000
DO  - 10.1097/00003081-200009000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/10949751/
ID  - 10949751
ER  -