Paper  doi  bibtex   

@article{dupont_infectivity_1995,
	title = {The {Infectivity} of {Cryptosporidium} parvum in {Healthy} {Volunteers}},
	volume = {332},
	issn = {0028-4793, 1533-4406},
	url = {http://www.nejm.org/doi/abs/10.1056/NEJM199503303321304},
	doi = {10.1056/NEJM199503303321304},
	language = {en},
	number = {13},
	urldate = {2016-06-17TZ},
	journal = {New England Journal of Medicine},
	author = {DuPont, Herbert L. and Chappell, Cynthia L. and Sterling, Charles R. and Okhuysen, Pablo C. and Rose, Joan B. and Jakubowski, Walter},
	month = mar,
	year = {1995},
	pages = {855--859}
}