DUAA ABDULZAHRAA AL-RAMMAHI. Spectrophotometric Determination of Creatinine Using a Modified Diazo Coupling Reaction: A Reliable Approach for Biomarker Analysis in Human Serum. American Journal of Biology and Natural Sciences, [S. l.], v. 3, n. 2, p. 270–280, 2026. DOI: 10.51699/ajbns.v3i2.1952. Disponível em: https://www.biojournals.us/index.php/AJBNS/article/view/1952. Acesso em: 6 jun. 2026.