Ключевые слова: abnormal, activity, assay, b1, brain, chemical, chemistry, concept, content, damage, decrease, defiency, disease, disorder, excess, failure, figure, formula, health, high, hypervitaminosis, idea, illness, image, increase, injury, inscription, insufficiency, level, low, measurement, neurology, neuron, normal, pathology, photo, picture, range, research, result, scene, science, secretion, stethoscope, symptom, syndrome, thiamin, treatment, value, vitamin,