Ключевые слова: ache, assessment, chart, chronic, clinic, clinical, clipart, comparative, emotion, estimate, evaluate, expression, face, fibromyalgia, health, high, hospital, hurt, icon, intensity, level, low, measurement, medical, medicare, mild, moderate, negative, neutral, pain scale, pediatric, physical, positive, rating, score, severe, sick, smile, smiley, stress, suffer, suffering, survey, tone, tooth, trauma, unimaginable, unspeakable, worst,