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.
Number of withdrawal signs and body weight in five rats that received vehicle, naloxone, or MCAM on the last day of morphine treatment. Ordinates: number of signs or body weight (g); error bars represent mean ± 1 S.E.M. *P < 0.05 compared with effects obtained on the last day of morphine treatment. Abscissae: days since administration of MCAM or vehicle.
