.Obsessive compulsive disorder-Diagnosis-Handbooks 1 Achievement 1 Cognitive Therapy 1 Cognitive therapy 1 Evidence-Based Practice 1 Mental disorders-Handbooks 1 Obsessive compulsive disorder 1 Obsessive compulsive disorder-Therapy-Handbooks 1 Obsessive-Compulsive Disorder 1 Obsessive-compulsive disorder 1 Obsessive-compulsive disorder--Diagnosis 1 Obsessive-compulsive disorder--Treatment 1 Patient refusal of treatment 1 Phobias 1 Self Concept 1 methods 1 psychology 1 therapy 1