COMPARISON OF TOTAL CHOLESTEROL LEVELS IN SAMPLES SERUM TO BE CHECKED IMMEDIATELY AND SERUM SAMPLE WHICH WAS POSTPONED FOR 7 DAYS IN THE REFRIGERATOR WITH A TEMPERATURE OF 2-8°C AT BHAYANGKARA HOSPITAL. (2026). Journal of Health, Technology and Science (JHTS), 7(2), 106-117. https://doi.org/10.47918/kdv97t04