2.
3.
Amazon.com's Price: $5.95
Prices subject to change.Rapidly measured indicators of recreational water quality are predictive of swimming-associated gastrointestinal illness.(Research): An article from: Environmental Health Perspectives
by: Timothy J. Wade, Rebecca L. Calderon, Elizabeth Sams, Michael Beach, Kristen P. Brenner, Ann H. Williams, Alfred P. Dufour
February 14, 2006
by: Timothy J. Wade, Rebecca L. Calderon, Elizabeth Sams, Michael Beach, Kristen P. Brenner, Ann H. Williams, Alfred P. Dufour
February 14, 2006
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