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.
Time course of ED80 doses of nalbuphine (1.65 mg/kg), oxycodone (0.37 mg/kg), ketamine (1.41 mg/kg), and MK-801 (0.039 mg/kg) in an assay of schedule controlled responding in rhesus monkeys. Horizontal axis: time in min. post administration. Vertical axis: percent control rate of responding. Each point represents the mean ± SEM of three rhesus monkeys. Filled symbols denote statistical significance (p<0.05) compared to vehicle.
