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Nonorganic pain drawings are associated with low psychological scores on the preoperative SF-36 questionnaire in patients with chronic low back pain

Pain SyndromePsychiatryPain MedicineClinical PsychologyOutcomes ResearchPreoperative PainLow Psychological ScoresRehabilitationPain ManagementHealth PsychologyPreoperative Sf-36 QuestionnaireSocial SciencesMedicineNonorganic Pain DrawingsPsychopathologyBack PainPain Research