Anusree M, Dr.Suriyan.S.Nair, Dr.Reshma Kiran, Dr.Janice D’Sa, Dr.Prathima M.B, Dr Kiran Kumar PK. SIGMA METRICS AS A TOOL FOR EVALUATING THE PERFORMANCE OF INTERNAL QUALITY CONTROL IN A CLINICAL CHEMISTRY LABORATORY OF A TERTIARY HOSPITAL. J Popl Ther Clin Pharmacol [Internet]. 2025 Nov. 12 [cited 2025 Nov. 21];32(10):512-24. Available from: https://jptcp.com/index.php/jptcp/article/view/12187