

@article {4017,
	title = {{Detection of Cryptosporidium spp. and Giardia duodenalis in surface water: a health risk for humans and animals}},
	journal = {Water Research},
	volume = {43},
	year = {2009},
	pages = {4133{\textendash}4142},
	author = {J A Castro-Hermida and Garc{\'\i}a-Presedo, I and Almeida, A and Gonz{\'a}lez-Warleta, M and Da Costa, JM and Mezo, M}
}
