title: To the problem of temporary and paemanent effect of drug therapy, particularly in chronic schizophrenia.
mesh_terms: D002908:Chronic Disease; D006801:Humans; D008875:Middle Aged; D012559:Schizophrenia / Q000188:drug therapy*; D013997:Time Factors; D014149:Tranquilizing Agents / Q000627:therapeutic use*
chemical_list: D014149:Tranquilizing Agents