ÇEVLIK, Tülay; HAKLAR, Goncagül. Six Sigma Evaluation Using Bias Calculated from Internal Quality Control and External Quality Assurance Data: Six Sigma Evaluation of 17 Biochemistry Parameters . Journal of Medical Biochemistry, [S. l.], v. 43, n. 1, p. 43–49, 2023. DOI: 10.5937/jomb0-43052. Dostupno na: https://asistent.ceon.rs/index.php/jomb/article/view/43052. Pristupljeno: 12 jul. 2026.