Ключевые слова: analysis, biochemistry, biology, blood, blue, cancer, care, catheter, chemistry, collection, disease, exam, examination, examine, experiment, glove, hand, hbv, hcv, health, hematology, hepatitis, hiv, hospital, infection, jaundice, laboratory, liquid, liver, medical, medicine, report, research, sample, scientific, stand, std, syphilis, technician, technology, test, transmitted, tube, virus,