1. Maudsley reactive and nonreactive rats in the forced swim test: comparison in fresh water and soiled water;Abel;Physiology and Behavior,1992
2. American Psychiatric Association (1987). DSM-III: Diagnostic and statistical manual of mental disorders (3rd ed. – Revised).
3. American Psychiatric Association (1994). DSM-IV: Diagnostic and statistical manual of mental disorders (4th ed.).
4. Human defensive behaviors to threat scenarios show parallels to fear- and anxiety-related defense patterns of non-human mammals;Blanchard;Neuroscience and Biobehavioral Reviews,2001
5. An ethoexperimental analysis of defense, fear and anxiety;Blanchard,1990