Epidemiological, clinical & surveillance

• Rojas-Ramos, M., Catalan-Vazquez, M., Martin-Del Pozzo, A. L., Garcia-Ojeda, E., Villalba-Caloca, J., Perez-Neria, J., (2001), A seven months prospective study of the respiratory effects of exposure to ash from Popocatepetl volcano, Mexico, Environmental Geochemistry and Health, 23, 379-392, 10.1023/A:1012244311557