TY  - RPRT
TI  - Cervical ripening after nitric oxide.
AU  - J E Norman
AU  - A J Thomson
AU  - I A Greer
PY  - 1998
DO  - 10.1093/humrep/13.2.251
UR  - https://pubmed.ncbi.nlm.nih.gov/9557815/
ID  - 9557815
ER  -