Ключевые слова: ache, assessment, background, blue, button, chart, clinic, clinical, color, customer, db, expression, face, feedback, flat, green, health, high, hospital, hurt, icon, illustration, intensity, isolated, level, measurement, medical, medicine, meter, mild, mood, negative, noise, opinion, orange, pain, physical, rating, red, sad, satisfaction, scale, science, severe, sign, smile, stress, tone, yellow,