Ключевые слова: analysis, analyzing, biochemistry, biological, biology, blood, blood count, cell, check, chemical, chemistry, clinic, clinical, complete, diagnosis, diphtheria, diphtheria test, disease, doctor, equipment, exam, experiment, find, health, health care, hematology, hemoglobin, hospital, lab, laboratory, liquid, medical, patient, red, research, sample, science, scientific, scientific experiment, scientist, test, test tube, tube,