Ключевые слова: academic, alternative, background, book, cardiologist, clinic, closeup, college, composition, concept, cure, diagnosis, diagnostic, doctor, education, exam, health, healthcare, hospital, knowledge, learning, listen, literature, measurement, medical, medicine, physician, professional, research, school, science, scientific, selective, set, stethoscope, student, study, table, test, text, textbook, tile, treatment, tubes, university, various, white, wisdom,