Ключевые слова: abstract, background, book, business, care, cell, cellphone, cellular, check, communication, computer, concept, device, diagnose, diagnosis, diagnostic, display, doctor, equipment, frame, hand, health, healthcare, healthy, heart, heartbeat, help, hospital, icon, illness, instrument, internet, isolated, measurement, medical, medicine, mobile, paper, person, phone, school, screen, smart, smartphone, stethoscope, technology, telephone, touchscreen, white, wireless,