Comparison of LDL - cholesterol estimated by direct method and by calculation. International Journal of Biomedical and Advance Research, [S. l.], v. 7, n. 8, p. 353–358, 2016. DOI: 10.7439/ijbar.v7i8.3496. Disponível em: https://www.ssjournals.co.in/index.php/ijbar/article/view/3496. Acesso em: 4 may. 2026.