Biblio

L. R. S. Moraes, J. Cancio, A., Cairncross, S., y Huttly, S., «Impact of drainage and sewerage on diarrhoea in poor urban areas in Salvador, Brazil», Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 153-158 : 2 fig., 3 tab., 2003.

S. Huttly y Blum, D., «Health impact evaluation of the rural drinking water and sanitation project in Imo State Nigeria». London School of Hygiene and Tropical Medicine, London, UK, p. 35 p., 100 p. annexes: fig., map, tab., 1988.