BEHRMANN, M.; COLE, J. Testing of local water samples for caffeine, theobromine, and theophylline: Potential aquatic pollutants. Proceedings of the West Virginia Academy of Science, [S. l.], v. 88, n. 1, 2016. DOI: 10.55632/pwvas.v88i1.121. Disponível em: https://pwvas.org/index.php/pwvas/article/view/121. Acesso em: 4 may. 2024.