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The evaluation of smartphone versions of the visual analogue scale and numeric rating scale as postoperative pain assessment tools: a prospective randomized trial | Canadian Journal of Anesthesia/Journal canadien d'anesthésie
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Correlation Analysis of Extensive Foraminotomy of Lumbar Foramina Stenosis Patients to Improvement of Visual Analogue Scale (VAS) And Oswestry Disabilty Index (ODI)
ReGen Rehab Hospital - Visual Analogue Scale(VAS) is one of the effective pain assessment tool used by clinicians. The pain levels are determined by the patient's facial expressions and their own marking
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