@article {usfn86,
	title = {Enzyme Immunoassay Detection of Immunoglobulin M and G Antibodies to Cryptosporidium in Immunocompetent and Immunocompromised Persons},
	journal = {Journal of Infectious Diseases},
	volume = {153},
	number = {3},
	year = {1986},
	pages = {570-578},
	doi = {10.1093/infdis/153.3.570},
	author = {Ungar, B. L. P. and Soave, R. and Fayer, R. and Nash, T. E.}
}
