Faravelli C, Webb T, Ambonetti A, Fonnesu F, Sessarego A
Am J Psychiatry. 1985 Dec;142(12):1493-4. doi: 10.1176/ajp.142.12.1493.
The rate of traumatic early life events in 31 agoraphobic subjects with panic attacks was significantly higher than that in matched control subjects. Experience of maternal separation, parental divorce, and events occurring after the age of 4 years was significantly more common.