Ring test. This is a technique to find out how much an experimental rat is intoxicated by a dose of cannabinoids (the active compounds in cannabis). P

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Ring test. This is a technique to find out how much an experimental rat is intoxicated by a dose of cannabinoids (the active compounds in cannabis). Photographed at the University of Milan, Italy.

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Photo credit: © MAURO FERMARIELLO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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