Major and minor depression in later life: a study of prevalence and risk factors
Beekman, Aartjan T.F. ; Deeg, Dorly J.H ; van Tilburg, Theo ; Smit, Jan H. ; Hooijer, Chris ; van Tilburg, Willem
Journal of affective disorders, 1995-12, Vol.36 (1), p.65-75 [Periódico revisado por pares]Amsterdam: Elsevier B.V
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