Ключевые слова: ampoule, arm, arms, bed, before, blood, care, check, checking, cleaned, clinic, closeup, cotton, diagnostic, disease, doc, doctor, donors, equipment, exam, examine, glove, hand, health, health care, hospital, laboratory, liquid, lying, medic, medical, medicine, needling, patient, people, profession, protection, resting, room, sample, science, service, sick, sterile, technology, test, transfusion, virus, work, young,