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IP address: 3.235.243.45
Time: 2024-03-28T12:58:33Z
URL: http://scholar.google.com/scholar_lookup?title=Self-administration+of+heroin%2C+acetylmethadol%2C+morphine%2C+and+methadone+in+rhesus+monkeys&year=1978&author=Harrigan&journal=Life+Sci&volume=22&issue=7&pages=619-623&doi=10.1016%2F0024-3205%2878%2990342-9&pmid=415198