Article
A long-term prospective evaluation of first-degree relatives of panic patients who underwent the 35% CO2 challenge.
Biological psychiatry - 1 Feb 1999
Perna G, Cocchi S, Allevi L, Bussi R, Bellodi L
Abstract excerpt
BACKGROUND: This follow-up study investigated the potential priming effect of the 35% CO2 challenge on the development of anxiety disorders and/or panic attacks in healthy first-degree relatives of panic patients across a period of 3-4 years subsequent to the challenge. METHODS: Thirty-one relatives who underwent the 35% CO2 challenge 3-4 years before and 14 relatives, free from psychiatric diagnoses in the same...
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