Lincy Raj C, Poornima RT, and Malawadi BN. “Sigma Metrics – a Good Quality Control Guide to Assess Analytical Performance of a Clinical Chemistry Laboratory”. Asian Journal of Medical Sciences 15, no. 7 (July 1, 2024): 45–50. Accessed July 3, 2024. https://nepjol.info/index.php/AJMS/article/view/64838.