MOHAMMAD, S. K. The influence of tobacco smoking on the enzyme activity of serum gamma glutamyl transferas (GGT). Zanco Journal of Medical Sciences (Zanco J Med Sci), [S. l.], v. 17, n. 3, p. 490–494, 2013. DOI: 10.15218/zjms.2013.0038. Disponível em: https://zjms.hmu.edu.krd/index.php/zjms/article/view/349. Acesso em: 28 jun. 2022.