Ключевые слова: analysis, background, bacteria, biology, books, cartoon, concept, design, discovery, doctor, drawing, education, equipment, experiment, flat, graphic, health, hospital, icon, illustration, info graphic, isolated, lab, laboratory, magnifying glass, medical, medicine, microorganisms, microscope, microscope isolated, object, research, science, scientist, set, sign, study, symbol, table, telescope, test, test tube, thesis, white,