title: Depression without a cause.
authors.forename: Richard P
authors.initials: RP
authors.lastname: Holm
mesh_terms: D003863:Depression / Q000209:etiology* / Q000523:psychology; D003865:Major Depressive Disorder / Q000209:etiology* / Q000523:psychology; D006801:Humans; D010353:Patient Education as Topic; D012307:Risk Factors