Do you have sudden bursts of fear for no reason? : a real illness : panic disorder.
Imprint
[Bethesda, MD] (6001 Executive Blvd., Rm. 8184, MSC 9663, Bethesda 20892-9663) : Dept. of Health and Human Services, Public Health Service, National Institutes of Health, National Institute of Mental Health, 2000?]
