LEKSKULCHAI, V. Urinary nicotine and cotinine concentrations in hand-rolled cigarette smokers, filter cigarette smokers, and passive smokers exposed to ETS. Thai Journal of Toxicology, [S. l.], v. 25, n. 2, p. 60, 2020. Disponível em: https://li01.tci-thaijo.org/index.php/ThaiJToxicol/article/view/243923. Acesso em: 16 sep. 2026.