Rusmini, Rusmini, and Muhammad Ahyat Ridhoni. “Optimization of Urine Storage With the Addition of 40% Formalin at a Temperature of 2–8°C: Stability of the Amount and Morphology of Sediment Elements”. Tropical Health and Medical Research 8, no. 1 (March 9, 2026): 1–9. Accessed April 16, 2026. http://tropicalhealthandmedicalresearch.com/index.php/JAK/article/view/144.