Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Comparison | Excluded study tag |
| Perphenazine in combination with amitriptyline versus chlorpromazine alone for schizophrenia | Lapolla 1967 |
| Perphenazine versus atypical antipsychotics for schizophrenia | Anon 2006, Loza 2001 |
| Perphenazine versus mid‐potency antipsychotics for schizophrenia | Svestka 1974 (oxypertine) |
| Perphenazine versus placebo for schizophrenia | Akimoto 1966 |
