Epidemiological, clinical & surveillance

• Naumova, E. N., Yepes, H., Griffiths, J. K., Sempertegui, F., Khurana, G., Jagai, J. S., Jativa, E., Estrella, B., (2007), Emergency room visits for respiratory conditions in children increased after Guagua Pichincha volcanic eruptions in April 2000 in Quito, Ecuador Observational Study: Time series analysis, Environmental Health, 6, 21, 10.1186/1476-069X-6-21

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