Bing found the following results
  1. Obsessive-compulsive disorder (OCD) - Symptoms and causes

  2. Obsessive-Compulsive Disorder - National Institute of Mental

  3. Obsessive–compulsive disorder - Wikipedia

  4. Psychiatry.org - What Is Obsessive-Compulsive Disorder?

  5. Obsessive-Compulsive Disorder (OCD) - Cleveland Clinic

  6. Obsessive-Compulsive Disorder (OCD) | Johns Hopkins Medicine

  7. Obsessive-compulsive disorder (OCD) - Mayo Clinic

  8. Psychiatry.org - Obsessive-Compulsive Disorder

  9. Obsessive-Compulsive Disorder: When Unwanted Thoughts or …

  10. Obsessive Compulsive Disorders (OCD) - Symptoms and Causes