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De Beurs D., Kirtley O., Kerkhof A., Portzky G., O’Connor R. The role of mobile phone technology in understanding and preventing suicidal behavior. Crisis, 2015, 36, 79-82.
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Portzky G., van Heeringen C., Vervaet M. Attempted suicide in eating disorder patients. Crisis, 2014, 35, 378-387.
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Wittouck C., Van Autreve S., Portzky G., van Heeringen K. A CBT-Based psychoeducational intervention for suicide survivors: A Cluster Randomized Controlled Study. Crisis, 2014, 35, 193-201.
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Pil L, Pauwels K, Muijzers E, Portzky G, Annemans L. Cost-effectiveness of a helpline for suicide prevention. J Telemed Telecare, 2013, 19: 273-281.
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Wittouck C., Van Autreve S., De Jaegere E., Portzky G., van Heeringen C. The prevention and treatment of complicated grief: A meta-analysis. Clinical Psychology Review, 2011, 31, 69-78.
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Wittouck C., De Munck S., Portzky G., van Heeringen C. A comparative follow-up study of aftercare and compliance of suicide attempters following standardized psychosocial assessment. Archives of Suicide Research, 2010, 14, 135-145.
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Portzky G., Audenaert K., van Heeringen K. Psychosocial and psychiatric factors associated with adolescent suicide: A case-control psychological autopsy study. Journal of Adolescence, 2009, 32, 849-862.
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Scoliers G., Portzky G., van Heeringen K., Audenaert K. Sociodemographic and psychopathological risk factors for repetition of attempted suicide: A 5-year follow-up study. Archives of Suicide Research, 2009, 13, 1-13.
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De Munck S., Portzky G., van Heeringen K. Epidemiological trends in attempted suicide in adolescents and young adults between 1996 and 2004. Crisis, 2009, 30, 115-119.
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Scoliers G., Portzky G., Madge N., Hewitt A., Hawton K., de Wilde E.J., Ystgaard M., Arensman E., De Leo D., Fekete S., van Heeringen K. Reasons for adolescent deliberate self-harm: a cry of pain and/or a cry of help? Findings from the child and adolescent self harm in Europe (CASE) study. Social Psychiatry and Psychiatric Epidemiology, 2009, 44, 601-607.
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Portzky G., De Wilde E.J., van Heeringen K. Deliberate self-harm in young people: differences in prevalence and risk factors between the Netherlands and Belgium. European Child & Adolescent Psychiatry, 2008, 17, 179-186.
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Portzky G., van Heeringen K. Deliberate self-harm in adolescents. Current Opinion in Psychiatry, 2007, 20, 337-342.
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Portzky G., van Heeringen K. Suicide prevention in adolescents: a controlled study of the effectiveness of a school-based psycho-educational programme. Journal of Child Psychology and Psychiatry,2006, 47, 910-918.
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Portzky G., Audenaert K., van Heeringen K. Suicide among adolescents. A psychological autopsy study of psychiatric, psychosocial and personality-related risk factors. Social Psychiatry and Psychiatric Epidemiology, 2005, 40 (11), 922-930.
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Portzky G., Audenaert K., van Heeringen K.. Adjustment disorder and the course of the suicidal process in adolescents. Journal of Affective Disorders, 2005, 87, 265-270.
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Merleve E., Spooren S., Henderick H., Portzky G., Buylaert W., Jannes C., Calle P., van Staey M., De Rock C., Smeesters L., Michem N., van Heeringen K . Perceptions, needs and mourning reactions of bereaved relatives confronted with a sudden unexpected death. Resuscitation, 2004, 61, 341-348.
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Naudts K., Portzky G., Audenaert K., van Heeringen C. Repetition of suicidal behaviour following deliberate self-poisoning with pesticides. European Neuropsychopharmacology, 2003, 13, S445-S446.
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van Heeringen C, Audenaert K, Portzky G. Risk factors for the repitition of suicidal behaviour: A 5-year follow-up study. In: Grad O. (eds) Suicide Risk and Protective Factors in the New Millenium, Ljubljana: Cankarjev dom, 2001.
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Vanhove R., Van De Craen T., Portzky G., van Heeringen C. (2013). Goede praktijken in de opvang van suïcidepogers: evaluatie van het “Project Integrale Zorg Suïcidepogers” in Vlaamse algemene ziekenhuizen. Tijdschrift voor Geneeskunde, 69; 657-663.
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Portzky G., van Heeringen K. Suicide in young people. Psychologie en Gezondheid, 2009, 37, 197-202.
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Van Rijsselberghe L., Portzky G., van Heeringen K. Self harm in adolescents in Flanders. Tijdschrift voor Psychiatrie, 2009, 51, 629-640.
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Portzky G., van Autrve S., van Heeringen K. Suïcidaal gedrag: epidemiologie en risicofactoren. Huisarts Nu, 2010, 39; 12-21.
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Portzky G., Vervaet M. Eetstoornissen diagnosticeren en behandelen. Hoe begint de huisarts eraan in de praktijk? Huisarts Nu, 2009, 38, 221-229.
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Portzky G., van Heeringen K. Suïcidaal gedrag bij jongeren. Epidemiologie, risicofactoren en preventie. Tijdschrift voor Jeugdrecht en Kinderrechten, 2009, 4-5, 293-303.
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Portzky G., van Heeringen K . Copycat Suicide. Neuron, 2002, 7, 3-9.