1. Stress and Opioid Systems;Hormones, Brain and Behavior;2017
2. Stress, Opioid Peptides, and Their Receptors;Hormones, Brain and Behavior;2009
3. Stress, Opioid Peptides, and Their Receptors;Hormones, Brain and Behavior;2002
4. The effects of uncontrollable, unpredictable aversive and appetitive events: Similar effects warrant similar, but not identical, explanations?;Integrative Physiological & Behavioral Science;2002-01