Arterial blood gas analysis in chronic kidney disease, acute exacerbation of chronic obstructive pulmonary disease, and acute coronary syndrome. A cross-sectional observational study. Student’s Journal of Health Research Africa, Africa, v. 6, n. 12, p. 17, 2025. DOI: 10.51168/sjhrafrica.v6i12.2441. Disponível em: https://www.sjhrafrica.org.sjhresearchafrica.org/index.php/public-html/article/view/2441. Acesso em: 26 jul. 2026.