Anxiety and depression: discrete diagnostic entities?
Liebowitz MR, Hollander E, Schneier F, Campeas R, Fallon B, Welkowitz L, Cloitre M, Davies S.
Liebowitz MR, et al.
J Clin Psychopharmacol. 1990 Jun;10(3 Suppl):61S-66S. doi: 10.1097/00004714-199006001-00012.
J Clin Psychopharmacol. 1990.
PMID: 2198302
Review.