The persistence of depression score.
Spijker J, de Graaf R, Ormel J, Nolen WA, Grobbee DE, Burger H.
Spijker J, et al. Among authors: nolen wa.
Acta Psychiatr Scand. 2006 Dec;114(6):411-6. doi: 10.1111/j.1600-0447.2006.00821.x.
Acta Psychiatr Scand. 2006.
PMID: 17087789