Authors: JUDD LL KESSLER RC PAULUS MP ZELLER PV WITTCHEN HU KUNOVAC JL

Citation: Ll. Judd et al., COMORBIDITY AS A FUNDAMENTAL FEATURE OF GENERALIZED ANXIETY DISORDERS- RESULTS FROM THE NATIONAL COMORBIDITY STUDY (NCS), Acta psychiatrica Scandinavica, 98, 1998, pp. 6-11