@article {1201, title = {Risk assessment and control of waterborne giardiasis.}, journal = {American Journal of Public Health}, volume = {81}, year = {1991}, pages = {709{\textendash}713}, doi = {10.2105/ajph.81.6.709}, url = {https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1405147/}, author = {Rose, JB and Haas, CN and Regli, Stig} }