1De Quardo JR: Pharmacologic treatment of first-episode schizophrenia: early intervention is key to outcome. J Clin psychiatry, 1998; 59 (Suppl. 19): 9-17.
2Robinson D, Woemer MG, Alvir JMJ, et al: Predictors of relapse following response from a first episode of schizophrenia or schizoaffective disorder. Arch Gen Psychiatry, 1999; 56: 241-247.
3Kopala I.G, Good KP, Honer WG: Extrapyramidal signs and clinical symptoms in first-episode schizophrenia: response to low-dose risperidone. J Clin Psychopharmacol. 1997; 17:308-313.
4Yap HL, Mahendran R, Lim D, et al: Risperidone in the treatment of first episode psychosis. Singap Med J. 2001 ; 42: 170-173.
5Emsley RA, On behalf of the Risperidone Working Group:Risperidone in the treatment of first-episode psychotic patients:a double-blind multicenter study. Schizophr Bull. 1999; 25:721-729.
6Gutierrez FM, Segarra ER, Gonzalez-Pinto AA, et al: Risperidone in the early treatment of first-episode psychosis: a two-year follow-up study. Actas Esp Psiquiatr. 2002; 30: 142-152.
7Sanger TM, Lieberman JA, Tohen M, et al: Olanzapine versus haloperidol treatment in first-episode psychosis. Am J Psychiatry, 1999; 156: 79-87.
8Bobes J, Gibert J, Ciudad A, et al: Safety and effectiveness of olanzapine versus conventional antipsychotics in the acute treatment of first-episode schizophrenic inpatients. Prog. Neuro-Psychopharmacol. Biol Psychiatry, 2003 ; 27 : 473-481.
9Montes JM, Ciudad A, Gomez JC, et al: Safety, effectiveness,and quality of life of olanzapine in first-episode schizophrenia: a naturalistic study. Prog. Neuro-Psychopharmacol. Biol Psychiatry, 2003; 27: 667-674.
10Lieberman JA, Tollefson G, Tohen M, et al: Comparative efficacy and safety of atypical and conventional antipsychotic drugs in first-episode psychosis: a randomized, double-blind trial of olanzapine versus haloperidol. Am J Psychiatry, 2003; 160:1396-1404.
