Chunk #6 — 2. Materials and Methods — 2.3. Treatment Conditions — 2.3.1. Condition 1

Source

Plasticity associated with escalated operant ethanol self-administration during acute withdrawal in ethanol-dependent rats requires intact matrix metalloproteinase systems.

Embedded

yes

Text

Serving as escalation control animals, the first two groups did not receive any surgical procedures and were divided into groups receiving either one-month of chronic intermittent ethanol vapor (n=5) or air exposure (n=5).