“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”. Journal of Health, Technology and Science (JHTS) 7, no. 2 (June 30, 2026): 106–117. Accessed July 28, 2026. https://journals.ubmg.ac.id/index.php/JHTS/article/view/2310.