IKRAM, M.; RAUL, M. A.; ALI, S.; IQBAL, M. ?SPECTROPHOTOMETERIC DETERMINA TION OF METALS IN PAAISTANI AND FOREIGN BRAND CIGARETTE TOBACCO ? Short Communication. Biological Sciences - PJSIR, [S. l.], v. 44, n. 6, p. 338–339, 2001. Disponível em: https://v2.pjsir.org/index.php/biological-sciences/article/view/1968. Acesso em: 19 may. 2024.