Ключевые слова: april, awareness, background, banner, beautiful, birth, cardiac, cardiology, care, colorful, concept, day, device, diagnosis, disease, doctor, earth, education, global, globe, health, health care, healthy, heart, heartbeat, hearth, holiday, human, illustration, illustrator, instrument, international, life, medical, medicare, medicine, national, paper, pharmaceutical, protection, pulse, science, sign, stethoscope, symbol, tool, treatment, wellness, world,