Wong MH, Fung KF, Carr HP (2003). “Aluminium and fluoride contents of tea, with emphasis on brick tea and their health implications”. Toxicology Letters. 137 (1–2): 111–20. doi:10.1016/S0378-4274(02)00385-5. PMID12505437.
Malinowska E, Inkielewicz I, Czarnowski W, Szefer P (2008). “Assessment of fluoride concentration and daily intake by human from tea and herbal infusions”. Food Chem. Toxicol. 46 (3): 1055–61. doi:10.1016/j.fct.2007.10.039. PMID18078704.
Wong MH, Fung KF, Carr HP (2003). “Aluminium and fluoride contents of tea, with emphasis on brick tea and their health implications”. Toxicology Letters. 137 (1–2): 111–20. doi:10.1016/S0378-4274(02)00385-5. PMID12505437.
Malinowska E, Inkielewicz I, Czarnowski W, Szefer P (2008). “Assessment of fluoride concentration and daily intake by human from tea and herbal infusions”. Food Chem. Toxicol. 46 (3): 1055–61. doi:10.1016/j.fct.2007.10.039. PMID18078704.