1.22. Analysis.
Comparison 1 (1.1) Nitric oxide donors versus placebo/no intervention (all women), Outcome 22 Additional induction agents used.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.