KAMLAP, D. Application of Sigma Metrics for Evaluation and Improvement of Quality Control in the Clinical Chemistry Laboratory of Udon Thani Cancer Hospital. Journal of The Department of Medical Services, [S. l.], v. 51, n. 3, p. 66–74, 2026. Disponível em: https://he02.tci-thaijo.org/index.php/JDMS/article/view/276673. Acesso em: 18 sep. 2026.