Dewi, Lilis Septiana, et al. “Perbandingan Hasil Pemeriksaan Hitung Jumlah Eritrosit Menggunakan EDTA Konvensional Dan Vacutainer: Comparison of Erythrocyte Count Examination Results Using Conventional EDTA and Vacutainer”. Jurnal Surya Medika (JSM), vol. 7, no. 2, Feb. 2022, pp. 181-4, https://doi.org/10.33084/jsm.v7i2.2842.