Ключевые слова: alone, analysis, biochemical, biochemist, biochemistry, blood, caucasian, centrifuge, clinical, collected, doctor, female, filled, gloves, holding, indoors, inside, lab, laboratory, lady, latex, machine, mask, medical, medicine, one, person, research, sample, science, scientific, scientist, specimen, standing, study, technician, test, tube, vacutainer, woman, work, worker,