MOHAMED, A G. Shisha use amongst students. African Journal of Thoracic and Critical Care Medicine, [S. l.], v. 29, n. 1, p. 3, 2023. DOI: 10.7196/AJTCCM.2023.v29i1.893. Disponível em: https://www.samajournals.co.za/index.php/ajtccm/article/view/893. Acesso em: 6 jun. 2026.