Biblio

S. Brooker, Beasley, M., Ndinaromtan, M., E. Madjiouroum, M., Baboguel, M., Djenguinabe, E., Hay, S. I., and Bundy, D. A. P., “Use of remote sensing and a geographical information system in a national helminth control programme in Chad”, Bulletin of the World Health Organization, pp. p. 783-789 : 2 fig., 2 tab., 2002.

M. Strauss, “Rural sanitation in Zhejiang province, China : report of mission 2-8 April 1990”. International Reference Centre for Waste Disposal, Duebendorf, Switzerland, p. ii, 21 p.: fig., photogr., 1990.

F. J. Henry, “Reinfection with Ascaris lumbricoides after chemotherapy : a comparative study in three villages with varying sanitation”, Transactions of the Royal Society of Tropical Medicine and Hygiene, pp. p. 460-464: tab., 1988.

B. Gryseels and Gigase, P. L., “The prevalence of intestinal parasites in two suburbs of Kinshasa (Zaire) and their relation to domestic water supplies”, Tropical and geographical medicine, pp. p. 129-132: tab., 1985.