Asri, Nur Indah Nila, and Andika Aliviameita. “The Effect of Variations of Serum Examination Time Lapse on Electrolyte Levels of Potassium and Chloride: Pengaruh Variasi Selang Waktu Pemeriksaan Serum Terhadap Kadar Elektrolit Kalium Dan Klorida”. Medicra (Journal of Medical Laboratory Science Technology), vol. 5, no. 2, Dec. 2022, pp. 119-23, doi:10.21070/medicra.v5i2.1639.