Patricia van Oppen | Psychiatrist.com

Original Research

Are Psychological and Pharmacologic Interventions Equally Effective in the Treatment of Adult Depressive Disorders? A Meta-Analysis of Comparative Studies

Original Research

The Boundary Between Hypochondriasis and Obsessive-Compulsive Disorder: A Cross-Sectional Study From the Netherlands

Original Research

Cognitive Therapy and Exposure in Vivo Alone and in Combination With Fluvoxamine in Obsessive-Compulsive Disorder: A 5-Year Follow-Up

Original Research

Comorbidity Patterns of Anxiety and Depressive Disorders in a Large Cohort Study: the Netherlands Study of Depression and Anxiety (NESDA)

Letter to the Editor

Comparing Psychotherapy and Pharmacotherapy for Adult Depression: Adjusting for Differential Dropout Rates

Original Research

Does the Therapy Manual or the Therapist Matter Most in Treatment of Obsessive-Compulsive Disorder? A Randomized Controlled Trial of Exposure With Response or Ritual Prevention in 118 Patients

Original Research

The Importance of Childhood Trauma and Childhood Life Events for Chronicity of Depression in Adults

Original Research

Natural Course and Clinical Practice of Tic-Related OCD

As many as a third of adult OCD patients have a tic disorder. This study compared clinical profiles between tic-related and tic-free OCD patients, and explored the influence of...

Original Research

Psychological Characteristics of Chronic Depression: A Longitudinal Cohort Study

Original Research

The Relationship Between Adverse Childhood Experiences and Symptom Severity, Chronicity, and Comorbidity in Patients With Obsessive-Compulsive Disorder

Letter to the Editor

Reply to Premature Conclusions About Psychotherapy for Dysthymia