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.
Plasma ropivacaine concentration in the ropivacaine group (Rop) and slow-released ropivacaine group (Rop-PELA).
Notes: Plasma ropivacaine concentrations in different groups were measured by high performance liquid chromatography. Data are shown as mean ± SD (n=6, each).
Abbreviations: Rop, ropivacaine; PELA, polyethylene glycol-co-polylactic acid; h, hour; d, day; SD, standard deviation.
