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	title = {Do US EPA water quality guidelines for recreational waters prevent gastrointestinal illness? A systematic review and meta-analysis},
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	year = {2003},
	chapter = {pp. 1102-1109},
	author = {Wade, T J and Pai, N and Eisenberg, J N S and Colford, J M}
}
@article {1561,
	title = {Rapidly measured indicators of recreational water quality are predictive of swimming-associated gastrointestinal illness},
	journal = {Environmental Health Perspectives},
	volume = {114},
	year = {2006},
	chapter = {pp. 24-28},
	author = {Wade, T J and Calderon, R L and Sams, E and Beach, M and Brenner, K P and Williams, A H and Dufour, A P}
}
