[Melancholic stuporous regression and various aspects of environmental customs. (Analysis of 2 clinical cases)].
D001714:Bipolar Disorder / Q000209:etiology*; D004777:Environment; D006801:Humans; D053609:Lethargy; D001523:Mental Disorders; D011618:Psychotic Disorders
ENVIRONMENT; PSYCHOSES, MANIC-DEPRESSIVE/etiology