Biblio

E. S. Katsha y Watts, S. J., «Changing environmental conditions in the Nile delta : health and policy implications with special reference to schistosomiasis», International journal of environmental health research, pp. p. 197-212, 1995.

M. Yacoob, Brieger, W. R., y Watts, S. J., «Guinea worm : an in-depth study of what happens to mothers, families and communities», Social science and medicine, pp. p. 1043-1049: tab., 1989.

L. D. Edungbola y Watts, S. J., «Water supply and guinea worm», in Water, engineering and development in Africa : proceedings of the 15th WEDC Conference, Kano, Nigeria, 3-7 April 1989, 1989, pp. P. 59-63: tab.