RC Kessler, KA McGonagle, S Zhao, CB Nelson, M Hughes, S Eshleman, HU Wittchen, KS Kendler,
Lifetime and 12-Month Prevalence of DSM-III-R Psychiatric Disorders in the United States Archives of General Psychiatry. ,vol. 51, pp. 8- 19 ,(1994) ,
10.1001/ARCHPSYC.1994.03950010008002