Lifetime and 12-month prevalence of DSM-III–R psychiatric disorders in the United States: Results from the National Comorbidity Study

Kessler, Ronald C; McGonagle, Katherine A; Zhao, Shanyang; Nelson, Christopher B. (1994). Lifetime and 12-month prevalence of DSM-III--R psychiatric disorders in the United States: Results from the National Comorbidity Study. Archives of General Psychiatry. 51(1), 8-19.