TO ILLUSTRATE THE EFFECT OF LIQUID NITROGEN PRESERVATION ON ANTIGENICITY OF HUMAN HOMOGRAFT AORTIC VALVE (HAV), HUMAN AORTIC VALVE TISSUE WERE COCULTURED TOGETH
THROUGH INVESTIGATING THE EFFECT OF MILD HYPOTHERMIA ON ACTIVITY OF NITRIC OXIDE SNYTHASE (NOS) IN CORTICAL NEURONS AND GLYCEMIA LEVELS OF NEONATAL RATS WITH HY