Fallon B A, Schwartzberg M, Bransfield R, Zimmerman B, Scotti A, Weber C A, Liebowitz M R
Department of Psychiatry, College of Physicians and Surgeons of Columbia University, New York, New York, USA.
Psychosomatics. 1995 May-Jun;36(3):295-300. doi: 10.1016/S0033-3182(95)71669-3.