Ключевые слова: alone, biochemist, biochemistry, biological, caucasian, chemist, chemistry, clinical, cropped, female, glass, indoors, inside, lab, laboratory, lady, medical, medicine, microbiological, microbiologist, microscope, microscopic, mounted, new, observing, one, person, photo, research, researcher, sample, science, scientific, scientist, slide, specimen, technician, vaccine, viewing, virologist, virology, woman, work, worker,