Ключевые слова: adult, analysis, background, biochemistry, biology, biotechnology, blood, bottle, care, caucasian, chemical, clinic, clinical, closeup, color, diagnosis, disease, doctor, equipment, experiment, form, glass, glove, hand, health, healthcare, holding, human, isolated, lab, laboratory, liquid, medical, medicine, microbiology, object, people, person, plasma, red, research, sample, scientific, specimen, study, technology, test, tube, virus, white,