1. Ali S, Thakur SK, Sarkar A, Shekhar S (2016) Worldwide contamination of water by fluoride. Environ Chem Lett 14:291–315
2. An D, Li D (2015) Epidemiological status and countermeasures of endemic arseniasis of Guizhou Province. Chin J Endem 24(2):214–216 (in Chinese with English abstract)
3. An D, He G, Wang Q, Hu X (1995) Indoor pollution by coal smoke containing sulfur, arsenic and fluorine and their influence on human’s health. J Environ Health 12:167–169 (in Chinese with English abstract)
4. An D, Yao Z, He G (1996) The medium of fluorine carrier-chili in the pollution of fluorine in Guizhou. Endem Dis Bull 11:55–57 (in Chinese with English abstract)
5. An D, He P, Li D, Liang Y, Jin Z, Hu X (2009) Study on the changes in the state of endemic fluorosis by coal-burning pollution in Guizhou Province. Chin J Control Endem Dis 24:403–407 (in Chinese with English abstract)