@article {1867,
	title = {Health effects criteria for fresh recreational waters},
	year = {1984},
	author = {Dufour, Alfred P}
}
@article {1886,
	title = {High sensitivity of children to swimming-associated gastrointestinal illness: results using a rapid assay of recreational water quality},
	journal = {Epidemiology},
	year = {2008},
	pages = {375{\textendash}383},
	author = {Wade, Timothy J and Calderon, Rebecca L and Brenner, Kristen P and Sams, Elizabeth and Beach, Michael and Haugland, Richard and Wymer, Larry and Dufour, Alfred P}
}
