Illicit drug use in patients with psychotic disorders compared with that in the general population: a cross-sectional study.
Ringen PA, Melle I, Birkenaes AB, Engh JA, Faerden A, Jónsdóttir H, Nesvåg R, Vaskinn A, Friis S, Larsen F, Opjordsmoen S, Sundet K, Andreassen OA.
Ringen PA, et al. Among authors: vaskinn a.
Acta Psychiatr Scand. 2008 Feb;117(2):133-8. doi: 10.1111/j.1600-0447.2007.01135.x. Epub 2007 Dec 13.
Acta Psychiatr Scand. 2008.
PMID: 18081921