Studies Comparing Numerical Rating Scales, Verbal Rating Scales, and Visual Analogue Scales for Assessment of Pain Intensity in Adults: A Systematic Literature Review

Authors: Marianne Jensen Hjermstad, Peter Fayers, Dagny Faksvåg Haugen, Augusto Caraceni, G.W. Hanks, Jon H. Loge, Robin L. Fainsinger, Nina Aass, Stein Kaasa - Journal of Pain and Symptom Management 2011 cited by 2,656