E. T. S. . Maulidiyanti, N. V. Purwaningsih, R. . Widiyastuti, R. R. . Samsudin, and A. R. R. . Arimurti, “The Effect of Storage Time for Pooled Sera on Freezers on the Quality of Clinical Chemical Examination: Pengaruh Lama Penyimpanan Pooled Sera pada Freezer Terhadap Mutu Pemeriksaan Kimia Klinik”, medicra, vol. 4, no. 2, pp. 78–82, Dec. 2021.