[Clinical aspect of depressive states. 1949].
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Travail subventionné par l'Institut National d'Hygiène.
D003866:Depressive Disorder / Q000523:psychology*; D005221:Fatigue / Q000209:etiology*; D005602:France; D049673:History, 20th Century; D006801:Humans; D009462:Neurology / Q000266:history; D007319:Sleep Initiation and Maintenance Disorders / Q000209:etiology*; D012959:Socioeconomic Factors