DETERMINATION OF SERUM TRACE ELEMENTSMAGNESIUM, COPPER, ZINC, AND SELENIUM IN ASTHMATIC PATIENTS BY ATOMIC ABSORPTION SPECTROPHOTOMETRY. Al-Nahrain Journal of Science, [S. l.], v. 13, n. 1, p. 20–25, 2010. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/1135. Acesso em: 18 apr. 2025.