Parental responses and catastrophizing in online cognitive behavioral therapy for pediatric functional abdominal pain: A mediation analysis of a randomized controlled trial by Maria Lalouni, Maria Lalouni, Maria Lalouni, Aleksandra Bujacz, Aleksandra Bujacz, Marianne Bonnert, Marianne Bonnert, Karin B. Jensen, Anna Rosengren, Erik Hedman-Lagerlöf, Erik Hedman-Lagerlöf, Eva Serlachius, Eva Serlachius, Eva Serlachius, Ola Olén, Ola Olén, Ola Olén, Brjánn Ljótsson, Brjánn Ljótsson, Brjánn Ljótsson

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Exposure-Based Cognitive Behavior Therapy for Children with Abdominal Pain: A Pilot Trial. by Maria Lalouni, Ola Olén, Marianne Bonnert, Erik Hedman, Eva Serlachius, Brjánn Ljótsson

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Validating surgical procedure codes for inflammatory bowel disease in the Swedish National Patient Register by Anders Forss, Pär Myrelid, Ola Olén, Åsa H. Everhov, Caroline Nordenvall, Jonas Halfvarson, Jonas F. Ludvigsson

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Long-term risk of arrhythmias in patients with inflammatory bowel disease: A population-based, sibling-controlled cohort study. by Jiangwei Sun, Bjorn Roelstraete, Emma Svennberg, Jonas Halfvarson, Johan Sundström, Anders Forss, Ola Olén, Jonas F Ludvigsson

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Allergy-related diseases in childhood and risk for abdominal pain-related functional gastrointestinal disorders at 16 years—a birth cohort study by Jessica Sjölund, Inger Kull, Anna Bergström, Jacob Järås, Jonas F. Ludvigsson, Hans Törnblom, Magnus Simrén, Ola Olén

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Normal gastrointestinal mucosa at biopsy and subsequent cancer risk: nationwide population-based, sibling-controlled cohort study by Jiangwei Sun, Fang Fang, Ola Olén, Mingyang Song, Jonas Halfvarson, Bjorn Roelstraete, Hamed Khalili, Jonas F. Ludvigsson

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Long-term risk of inflammatory bowel disease after endoscopic biopsy with normal mucosa: A population-based, sibling-controlled cohort study in Sweden. by Jiangwei Sun, Fang Fang, Ola Olén, Mingyang Song, Jonas Halfvarson, Bjorn Roelstraete, Hamed Khalili, Jonas F Ludvigsson

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Long-term risk of inflammatory bowel disease after endoscopic biopsy with normal mucosa: A population-based, sibling-controlled cohort study in Sweden by Jiangwei Sun, Fang Fang, Ola Olén, Mingyang Song, Jonas Halfvarson, Bjorn Roelstraete, Hamed Khalili, Jonas F. Ludvigsson

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Statin use and risk of colorectal cancer in patients with inflammatory bowel diseaseResearch in context by Jiangwei Sun, Jonas Halfvarson, David Bergman, Fahim Ebrahimi, Bjorn Roelstraete, Paul Lochhead, Mingyang Song, Ola Olén, Jonas F. Ludvigsson

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Enhancing evidence based medicine: Twelve tips for conducting register-based research by Hannah L Brooke, Martin J Holzmann, Ola Olén, Mats Talbäck, Maria Feychting, Anita Berglund, Jonas F Ludvigsson, Rickard Ljung

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Internet-delivered cognitive behavior therapy for adolescents with functional gastrointestinal disorders — An open trial by Marianne Bonnert, Brjánn Ljótsson, Erik Hedman, Johanna Andersson, Henrik Arnell, Marc A. Benninga, Magnus Simrén, Helena Thulin, Ulrika Thulin, Sarah Vigerland, Eva Serlachius, Ola Olén

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