

@article {12928,
	title = {A case-control study of the impact of improved sanitation on diarrhoea morbidity in Lesotho.},
	journal = {Bulletin of the World Health Organization},
	volume = {68},
	number = {4},
	year = {1990},
	pages = {455},
	author = {Daniels, Daniel L and Cousens, Sim{\'o}n N and Makoae, LN and Feachem, Richard G}
}
