@article {1424,
	title = {Legionella: Legionnaires{\textquoteright} Disease and Pontiac Fever},
	year = {2015},
	url = {http://www.cdc.gov/legionella/clinicians.html},
	author = {Centers for Disease Control Prevention,}
}
@article {1417,
	title = {Parasites- Giardia General Information},
	year = {2015},
	url = {http://www.cdc.gov/parasites/giardia/general-info.html},
	author = {Centers for Disease Control Prevention,}
}
@article {1422,
	title = {Parasites - Giardia: Pathogens \& Environment},
	year = {2015},
	url = {http://www.cdc.gov/parasites/giardia/pathogen.html},
	author = {Centers for Disease Control Prevention,}
}
@article {1421,
	title = {Parasites - Giardia: Sources of Infection \& Risk Factors},
	year = {2015},
	url = {http://www.cdc.gov/parasites/giardia/infection-sources.html},
	author = {Centers for Disease Control Prevention,}
}
@article {1423,
	title = {Parasites - Giardia: Treatment},
	year = {2015},
	author = {Centers for Disease Control Prevention,}
}
