Prodromal symptoms in panic disorder.
D000379:Agoraphobia / Q000175:diagnosis / Q000523:psychology; D001008:Anxiety Disorders / Q000175:diagnosis* / Q000523:psychology; D005239:Fear; D006801:Humans; D008016:Life Change Events; D009449:Neurocirculatory Asthenia / Q000175:diagnosis / Q000523:psychology; D010200:Panic; D012189:Retrospective Studies