A Study of Determination of Exhaled Carbon Monoxide and Carboxyhemoglobin in School Children. International Journal of Biomedical and Advance Research, [S. l.], v. 6, n. 11, p. 758–760, 2015. DOI: 10.7439/ijbar.v6i11.2552. Disponível em: https://www.ssjournals.co.in/index.php/ijbar/article/view/2552. Acesso em: 15 may. 2026.