@article {esjssjb88,
	title = {Cross-species transmission of Giardia spp.: inoculation of beavers and muskrats with cysts of human, beaver, mouse, and muskrat origin},
	journal = {Applied and Environmental Microbiology},
	volume = {54},
	year = {1988},
	pages = {11},
	url = {http://aem.asm.org/content/54/11/2777.abstract},
	author = {Erlandsen, S L and Sherlock, L A and Januschka, M and Schupp, D G and Schaefer, F W and Jakubowski, W and Bemrick, W J}
}
@article {dcsorj95,
	title = {The infectivity of Cryptosporidium parvum in healthy volunteers},
	journal = {The New England journal of medicine},
	volume = {332},
	year = {1995},
	pages = {13},
	url = {https://www.nejm.org/doi/full/10.1056/NEJM199503303321304},
	author = {DuPont, H L and Chappell, C L and Sterling, C R and Okhuysen, P C and Rose, J B and Jakubowski, W}
}
