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  1. Psoriasis - Symptoms and causes - Mayo Clinic

  2. Psoriasis: Causes, Triggers, Treatment, and More - Healthline

  3. Psoriasis Causes, Triggers, and Treatments: What Is Psoriasis?

  4. Psoriasis: Types, Causes, Symptoms, & Treatment - WebMD

  5. Psoriasis: Symptoms, Treatment, Images and More - DermNet

  6. Psoriasis - Diagnosis and treatment - Mayo Clinic

  7. Psoriasis: What It Is, Symptoms, Causes, Types & Treatment

  8. Psoriasis - Wikipedia

  9. Psoriasis Basics: Overview, Symptoms, and Causes

  10. Psoriasis - Symptoms - NHS