Biblio

D. Thuy Trang, van der Hoek, W., Cam, P. Dac, Vinh, K. Thanh, Van Hoa, N., y Dalsgaard, A., «Low risk for helminth infection in wastewater-fed rice cultivation in Vietnam», Journal of water and health, pp. p. 321-331 : 1 fig., 4 tab., 2006.

W. van der Hoek, Konradsen, F., Ensink, J. H. J., Mudasser, M., y Jensen, P. K., «Irrigation water as a source of drinking water : is safe use possible?», Tropical medicine and international health, pp. p. 46-54 : 6 tab., 2001.