Toward a global view of alcohol, tobacco, cannabis, and cocaine use: Findings from the WHO World Mental Health Surveys (2008) - PLoS Medicine 5(7): e141.

Common chronic pain conditions in developed and developing countries: Gender and age differences, and comorbidity with depression-anxiety disorders (2008) - Journal of Pain, 9(10): 883-891

Modifications to the WHODAS-II for the World Mental Health Surveys: Lessons Learned (2008) - Journal of Clinical Epidemiology, 61(11): 1132-1143.

Age patterns in the prevalence of depressive/anxiety disorders with and without physical comorbidity (2008) - Psychological Medicine, 38 (11): 1659-1669

Mental disorders among persons with arthritis: results from the World Mental Health Surveys (2008) - Psychological Medicine, 38(11): 1–12

The prevalence and effects of Adult Attention-Deficit/hyperactivity Disorder (ADHD) on the performance of workers: Results from the WHO World Mental Health Survey Initiative (2008) - Occupational and Environmental Medicine, 65(12): 835-842

Bereavement Related and Non-Bereavement Related Depressions: A Comparative Field Study (2009) - Journal of Affective Disorder, 112 (1-3): 102–110

Childhood predictors of adult ADHD: results from the WHO World Mental Health (WMH) Survey Initiative (2009) - Biological Psychiatry, 65(1): 46-54

Mental-physical comorbidity and its relationship with disability: results from the World Mental Health Surveys (2009) - Psychological Medicine, 39(1): 33-43

DSM-IV Personality disorders in the WHO World Mental Health Surveys (2009) - British Journal of Psychiatry, 195(1): 46-53

The Boundaries of Bipolarity: Comments on the Epidemiology of Bipolar Disorder (2009) - Clinical Psychology, 16(2): 134-139.

Vocal characteristics in children with attention deficit hyperactivity disorder (2009) - J Voice 23(2): 190-194.

Attention Deficit Hyperactivity Disorder (ADHD) in the Arab World: A Review of Epidemiologic Studies (2009) - Journal of attention Disorders 13(3): 211-222.

Association of perceived stigma and mood and anxiety disorders: results from the World Mental Health Surveys (2009) - Acta Psychiatrica Scandinavica, 118(4): 305-314.

The epidemiology of anxiety disorders in the Arab world: A review (2009) - Journal of Anxiety Disorder, 23(4):409-419

Mental disorders and termination of education in high-income and low and middle-income countries: epidemiological study (2009) - British Journal of Psychiatry, 194(5):411-417

Lifetime alcohol use, abuse and dependence among university students in Lebanon: exploring the role of religiosity in different religious faiths (2009) - Addiction, 104(6): 940-948.

Cross-national associations between gender and mental disorders in the WHO World Mental Health Surveys (2009) - Archives of General Psychiatry, 66(7):785-795

Implications of modifying the duration requirement of generalized anxiety disorder in developed and developing countries (2009) - Psychology Medicine, 39(7): 1163-1176

Cross-National Analysis of the Associations among Mental Disorders and Suicidal Behavior: Findings from the WHO World Mental Health Surveys (2009) - PLoS Medicine, 6 (8): e1000123

Gender and the relationship between marital status and first onset of mood, anxiety and substance use disorders (2009) - Psychological Medicine 40(9): 1495-1505

Evaluation des temperaments affectifs dans la symptomatologie depressive du post partum (2010) - L’Encephale, 36S:D14- D21

Childhood adversities as risk factors for onset and persistence of suicidal behavior (2010) - British Journal of Psychiatry, 197(1): 20-27

Screening for serious mental illness in the general population with the K6 screening scale: Results from the WHO World Mental Health (WMH) Survey Initiative (2010) - International Journal of Methods in Psychiatric Research, 19(1): 4-22

Evaluating the drug use "gateway" theory using cross-national data: Consistency and associations of the order of initiation of drug use among participants in the WHO World Mental Health Surveys (2010) - Drug and Alcohol Dependence, 108 (1-2): 84-97.

The Role of Anxious and Hyperthymic Temperaments in Mental Disorders: a National Epidemiologic Study (2010) - World Psychiatry, 9(2): 103-110

Rapid-cycling bipolar disorder: cross-national community study (2010) - British Journal of Psychiatry, 196(3): 217-225

Treatment of Depression across cultures (2010) - WPA Bulletin on Depression; 15(42):6-8

Subtyping social anxiety disorder in developed and developing countries (2010) - Depression & Anxiety, 27(4): 390-403

Age differences in the prevalence and comorbidity of DSM-IV major depressive episodes Results from the WHO World Mental Health Survey Initiative (2010) - Depression & Anxiety, 27(4), 351-364