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A Comparison Of The Verbal Rating Scale And The Visual Analog Scale For Pain Assessment | Semantic Scholar
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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Measuring pain intensity in headache trials: which scale to use? - Elizabeth Loder, Rebecca Burch, 2012
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