Root Cause Analysis of absurd results of Serum Potassium - Need for verification of vacuum tube quality. International Journal of Biomedical and Advance Research, [S. l.], v. 9, n. 12, p. 407–411, 2018. DOI: 10.7439/ijbar.v9i12.4956. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4956. Acesso em: 17 feb. 2026.