Effect of Storage Duration on the Stability of Aliquot and Non-Aliquot Commercial Control Serum Levels in Creatinine Examination: Perbedaaan Lama Waktu Penyimpanan Terhadap Stabilitas Kadar Serum Kontrol Komersial Aliquot Dan Non Aliquot Dalam Pemeriksaan Kreatinin. medicra 2026, 9 (1), 45-53. https://doi.org/10.21070/medicra.v9i1.1832.