title: [Prolonged narcosis as psychiatric treatment: the case of somnifen].
mesh_terms: D049673:History, 20th Century; D006801:Humans; D006993:Hypnotics and Sedatives / Q000266:history* / Q000627:therapeutic use; D001523:Mental Disorders / Q000188:drug therapy / Q000266:history*; D013997:Time Factors
chemical_list: D006993:Hypnotics and Sedatives