TY  - RPRT
TI  - Cervical ripening.
AU  - S Riskin-Mashiah
AU  - I Wilkins
PY  - 1999
DO  - 10.1016/s0889-8545(05)70072-3
UR  - https://pubmed.ncbi.nlm.nih.gov/10399759/
ID  - 10399759
ER  -