title: Control vs. lack of control over aversive stimuli: nonopioid-opioid analgesic consequences.
mesh_terms: D000698:Analgesia; D000818:Animals; D004597:Electroshock; D006801:Humans; D007389:Internal-External Control; D008960:Models, Psychological; D009294:Narcotics / Q000502:physiology; D013315:Stress, Psychological / Q000503:physiopathology / Q000523:psychology*; D019966:Substance-Related Disorders / Q000523:psychology; D005680:gamma-Aminobutyric Acid / Q000502:physiology
chemical_list: D009294:Narcotics; D005680:gamma-Aminobutyric Acid