1. Abelson JL, Weg JG, Nesse RM, Curtis GC (2001) Persistent respiratory irregularity in patients with panic disorder. Biol Psychiatry 49(7):588–595
2. Alpers GW, Pauli P (2002) Angstsensitivitäts-Index. PsychScience, Würzburg
3. Alpers GW, Wilhelm FH, Roth WT (1999) Repeated exposure to automobile driving. Psychophysiology 36(Suppl 1): S25
4. Alpers GW, Wilhelm FH, Roth WT (2000a) A new ambulatory measure of hyperventilation in anxiety disorders. Biol Psychol 53: 80
5. Alpers GW, Wilhelm FH, Roth WT (2000b) Psychophysiological measures can index change in behavior therapy. Psychophysiology 37(Suppl 1): S8