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. JHTS [Internet]. 30 Juni 2026 [dikutip 28 Juli 2026];7(2):106-17. Tersedia pada: https://journals.ubmg.ac.id/index.php/JHTS/article/view/2310