1.Muller, JE, Koen, L, Soraya, S, Emsley, RA, Stein, DJ. Anxiety disorders and schizophrenia. Curr Psychiatry Rep. 2004;6:255–261.
2.Blanchard, JJ, Mueser, KT, Bellack, AS. Anhedonia, positive and negative affect, and social functioning in schizophrenia. Schizophr Bull. 1998;24:413–424.
3.Cassano, GB, Pini, S, Saettani, M, Dell'Osso, L. Multiple anxiety disorder comorbidity in patients with mood spectrum disorders with psychotic features. Am J Psychiatry. 1999;156:474–476.
4.Huppert, JD, Weiss, KA, Lim, R, Pratt, S, Smith, TE. Quality of life in schizophrenia: contributions of anxiety and depression. Schizophr Res. 2001;51:171–180.
5.Wetherell, JL, Palmer, BW, Thorp, SR, Patterson, TL, Golshan, S, Jeste, DV. Anxiety symptoms and quality of life in middle-aged and older outpatients with schizophrenia and schizoaffective disorder. J Clin Psychiatry. 2003;64:1476–1482.
6.Braga, RJ, Mendlowicz, MV, Marrocos, RP, Figueira, IL. Anxiety disorder in outpatients with schizophrenia: prevalence and impact on the subjective quality of life. J Psychiatr Res. 2005;39:409–414.
7.Taiminen, T, Huttunen, J, Heila, H, et al.The Schizophrenia Suicide Risk Scale (SSRS): development and Initial validation. Schizophr Res. 2001;47:199–213.
8.Craig, T, Hwang, MY, Bromet, EJ. Obsessive-compulsive and panic symptoms in patients with first-admission psychosis. Am J Psychiatry. 2002;159:592–598.
9.Braga, RJ, Petrides, G, Figueira, I. Anxiety disorders in schizophrenia. Compr Psychiatry. 2004;45:460–468.
10.Byerly, M, Goodman, W, Acholonu, W, Bugno, R, Rush, AJ. Obsessive compulsive symptoms in schizophrenia: frequency and clinical features. Schizophr Res. 2005;76:309–316.
11.Labbate, LA, Young, PC, Arana, GW. Panic disorder in schizophrenia. Can J Psychiatry. 1999;44:488–490.
12.Tibbo, P, Swainson, J, Chue, RLeMelledo, JM. Prevalence and relationship to delusions and hallucinations of anxiety disorders in schizophrenia. Depress Anxiety. 2003;17:65–72.
13.Kendler, KS, Gallagher, TJ, Abelson, JM, Kessler, RC. Lifetime prevalence, demographic risk factors, and diagnostic validity of nonaffective psychosis as assessed in a US community sample. The National Comorbidity Survey. Arch Gen Psychiatry. 1996;53:1022–1031.
14.Goodwin, R, Amador, XF, Malaspina, D, Yale, SA, Goetz, RR, Gorman, JM. Anxiety and substance use comorbidity among inpatients with schizophrenia. Schizophr Res. 2003;61:89–95.
15.Pallanti, S, Quercioli, L, Hollander, E. Social anxiety in outpatients with schizophrenia: a relevant cause of disability. Am J Psychiatry. 2004;161:53–58.
16.Resnick, SG, Bond, GR, Mueser, KT. Trauma and post-traumatic stress disorder in people with schizophrenia. J Abnorm Psychol. 2003;112:415–423.
17.Cutler, JL, Siris, SG. “Panic-like” symptomatology in schizophrenic and schizoaffective patients with postpsychotic depression: observations and implications. Compr Psychiatry. 1991;32:465–473.
18.First, MB, Spitzer, RL, Gibbon, M, Williams, JB. Structured Clinical Interview for DSM-IV Axis I Disorders, Patient Edition. SCID-I/P, Version 2.0. New York, NY: New York State Psychiatric Institute, Biometrics Research: 1994.
19.Overall, JE, Gorham, DR. The Brief Psychiatric Rating Scale. Psychol Rep. 1962;10:799–812.
20.Guy, W. Clinical Global Impressions (CGI). ECDEU Assessment Manual for Psychopharmacology. revised (DHEW Publ No ADM 76-338). Rockville, Md: United States Department of Health Education and Welfare; 1976:218–222.
21.Conti, L. Repertorio delle scale di valutazione in psichiatria. Firenze, Italia: S.E.E. Società Editrice Europea di Nicodemo Maggiulli & C; 1999.
22.Sassaroli, S, Ruggiero, MG. La psicopatologia cognitiva del rimuginio. It J Behav Cogn Psychother. 2003;9:1.
23.Cassano, GB, Pini, S, Saettani, M, Rucci, P, Dell'Osso, L. Occurrence and clinical correlates of psychiatric comorbidity in patients with psychotic disorders. J Clin Psychiatry. 1998;59:60–68.
24.Cosoff, SJ, Hafner, RJ. The prevalence of comorbid anxiety in schizophrenia, schizoaffective disorder, and bipolar disorder. Aust N Z J Psychiatry. 1998;32:67–72.
25.Pilkonis, PA, Feldman, H, Himmelhoch, J, Cornes, C. Social anxiety and psychiatric diagnosis. J Nerv Ment Dis. 1980;168:13–18.
26.Addington, J, Addington, D. Premorbid functioning, cognitive functioning, symptoms and outcome in schizophrenia. J Psychiatry Neurosci. 1993;18:18–23.
27.Penn, DL, Hope, DA, Spaulbing, W, Kucera, J. Social anxiety in schizophrenia. Schizophr Res. 1994;11:277–284.
28.Malmberg, A, Lewis, G, David, A, Allebeck, P. Premorbid adjustment and personality in people with schizophrenia. Br J Psychiatry. 1998;172:308–313.
29.Krabbendaum, L, Janssen, I, Bijl, RV, Volleberg, WAM, Van Os, J. Neuroticism and low self esteem as risk factors for psychosis. Soc Psychiatry Psychiatr Epidemiol. 2002;37:1–6.
30.Gumley, A, O'Grady, M, Power, K, Schwannauer, M. Negative beliefs about self and illness: a comparison of individuals with psychosis with or without comorbid social anxiety disorder. Aust N Z J Psychiatry. 2004;38:960–964.
31.Cannon, M, Walsh, E, Hollis, C, et al.Predictors of later schizophrenia and affectives psychosis among attendees at a child psychiatry department. Br J Psychiatry. 2001;178:420–426.
32.Wittchen, HU, Fuetsch, M, Sonntag, H, Muller, N, Liebowitz, M. Disability and quality of life in pure and comorbid social phobia-findings from a controlled study. Eur Psychiatry. 1999;14:118–131.
33.Katzelnick, DJ, Kobak, KA, DeLeire, T, et al.Impact of generalized social anxiety disorder in managed care. Am J Psychiatry. 2001;158:1999–2007.
34.Boylan, KR, Bieling, PJ, Marriott, M, Begin, H, Young, LT, MacQueen, GM. Impact of comorbid anxiety disorders on outcome in a cohort of patients with bipolar disorder. J Clin Psychiatry. 2004;65:1106–1113.
35.Valenca, AM, Nardi, AE, Nascimento, I, et al.Do social anxiety disorder patients belong to a bipolar spectrum subgroup? J Affect Disord. 2005;86:11–18.
36.Baker, RW, Chengappa, KN, Baird, JW, Steingard, S, Chirst, MA, Schooler, NR. Emergence of obsessive-compulsive symptoms during treatment with clozapine. J Clin Psychiatry. 1992;53:439–442.
37.Patel, B, Tandon, R. Development of obsessive-compulsive symptoms during clozapine treatment. Am J Psychiatry. 1993;150:836.
38.Eales, MJ, Layeni, O. Exacerbation of obsessive-compulsive symptoms associated with clozapine. Br J Psychiatry. 1994;164:687–688.
39.Kopala, L, Honer, WG. Risperidone, serotoninergic mechanisms, and obsessive-compulsive symptoms in schizophrenia. Am J Psychiatry. 1994;151:1714–1715.
40.Remington, G, Adams, M. Risperidone and obsessive-compulsive symptoms. J Clin Psychopharmacol. 1994;14:358–359.
41.Morrison, D, Clark, D, Goldfarb, E, McCoy, L. Worsening of obsessive-compulsive symptoms following treatment with olanzapine. Am J Psychiatry. 1998:155:855.
42.Rahman, MS, Grace, JJ, Pato, MT, Priest, B. Sertraline in the treatment of clozapine-induced obsessive-compulsive behavior. Am J Psychiatry. 1998;155:1629–1630.
43.Mottard, JP, de la Sablonniere, JF. Olanzapine-induced obsessive-compulsive disorder. Am J Psychiatry. 1999:156:799–800.
44.Biondi, M, Fedele, L, Arcangeli, T, Pancheri, P. Development of obsessive-compulsive symptoms during clozapine treatment in schizophrenia and its positive response to clomipramine. Psychother Psychosom. 1999:68:111–112.
45.de Haan, L, Beuk, N, Hoogenboom, B, Dingemans, P, Linszen, D. Obsessive-compulsive symptoms during treatment with olanzapine and risperidone: a prospective study of 113 patients with recent-onset schizophrenia or related disorders. J Clin Psychiatry. 2002;63:104–107.
46.Lykouras, L, Alevizos, B, Michalopoulou, P, Rabavilas, A. Obsessive-compulsive symptoms induced by atipical antipsychotics. A review of the reported cases. Prog Neuropsychopharmacol Biol Psychiatry. 2003;27:333–346.