1. Low-dose cortisol for symptoms of posttraumatic stress disorder;Aerni;Am. J. Psychiatry,2004
2. American Psychiatric Association (1994) Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV). American Psychiatric Association, Washington, DC.
3. Specific and social phobias;Barlow,1995
4. Behavioral effects of metyrapone on Pavlovian extinction;Barrett;Neurosci. Lett.,2004
5. Adrenocortical hormones and avoidance behaviour of rats;Bohus;Int. J. Neuropharmacol.,1968