Ключевые слова: adult, angina, asian, attack, background, beat, body, breast, breathing, care, caucasian, chest, condition, cough, disease, embolism, emphysema, fast, hand, hands, hard, health, heart, heartburn, illness, isolated, lung, male, man, medical, pain, painful, palpitation, person, pleurisy, problem, problems, pulmonary, reflux, sick, sickness, skin, smoke, standing, sudden, suffer, sun, tuberculosis, white, young,