title: Clozapine alone versus clozapine and risperidone for refractory schizophrenia.
authors.forename: Herbert Y
authors.initials: HY
authors.lastname: Meltzer
authors.forename: A Elif
authors.initials: AE
authors.lastname: Anil Yağcioğlu
authors.forename: Berna Binnur Kivircik
authors.initials: BB
authors.lastname: Akdede
mesh_terms: D014150:Antipsychotic Agents / Q000627:therapeutic use*; D015982:Bias; D003024:Clozapine / Q000627:therapeutic use*; D004359:Drug Therapy, Combination; D006801:Humans; D018967:Risperidone / Q000627:therapeutic use*; D012559:Schizophrenia / Q000188:drug therapy*
chemical_list: D014150:Antipsychotic Agents; D003024:Clozapine; D018967:Risperidone