title: Age of onset and familial risk in major depression.
authors.forename: M M
authors.initials: MM
authors.lastname: Weissman
authors.forename: P
authors.initials: P
authors.lastname: Wickramaratne
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D017668:Age of Onset; D002648:Child; D003866:Depressive Disorder / Q000453:epidemiology / Q000235:genetics* / Q000523:psychology; D004200:Diseases in Twins; D005190:Family; D020022:Genetic Predisposition to Disease; D006801:Humans; D008875:Middle Aged; D016016:Proportional Hazards Models; D012042:Registries / Q000706:statistics & numerical data; D012107:Research Design / Q000592:standards; D012307:Risk Factors; D013405:Suicide / Q000523:psychology; D014768:Virginia / Q000453:epidemiology