Ключевые слова: antique, background, book, capsules, cardiac, cardiology, care, closeup, colourful, device, diagnose, disease, doctor, drugs, education, equipment, examination, expertise, green, group, health, hear, heart, heartbeat, information, instrument, knowledge, listen, medical, medicine, metal, paper, physician, pills, publication, pulse, research, science, stethoscope, student, study, tablets, technology, test, tool, training, treatment, white, wisdom, wooden,