Ключевые слова: aids, background, birth, cardiac, care, clinical, condom, contraception, contraceptive, control, diagnosis, doctor, drugstore, education, equipment, estrogen, examination, health, healthy, hear, heart, heartbeat, hiv, hospital, instrument, isolated, listen, medical, medicine, nurse, pack, package, pharmacy, pill, pregnancy, prevention, protect, pulse, red, rubber, safe, safety, sex, sexual, sexually, stethoscope, tool, treatment, virus, week,