Kern, N., Erhardt, A., Pfennig, A., Lucae, S., Ising, M., Salyakina, D., Pütz, B., Müller-Myhsok, B., Uhr, M., Holsboer, F., Binder, E. B., & Keck, M. E. (2005). Syndromal panic attacks are possibly associated with polymorphisms in the angiotensin converting enzyme (ACE) gene. American Journal of Medical Genetics Part B-Neuropsychiatric Genetics, 138B(1), 45-45.