Epidemiological, clinical & surveillance

• Sempertegui, F., Estrella, B., Vallejo, W., Tapia, L., Herrera, D., Moscoso, F., Ceron, G., Griffiths, J. K., Hamer, D. H., (2003), Selenium serum concentrations in malnourished Ecuadorian children: A case- control study, International Journal for Vitamin and Nutrition Research, 73, 181-186, 10.1024/0300-9831.73.3.181