@article {wbysks86,
	title = {Human Rotavirus Studies in Volunteers: Determination of Infectious Dose and Serological Response to Infection},
	journal = {Journal of Infectious Diseases},
	volume = {154},
	year = {1986},
	pages = {5},
	doi = {10.1093/infdis/154.5.871},
	url = {https://pubmed.ncbi.nlm.nih.gov/3021869/},
	author = {Ward, R L and Bernstein, D I and Young, E C and Sherwood, J R and Knowlton, D R and Schiff, G M}
}
@article {ssyspw84,
	title = {Studies of echovirus-12 in volunteers: determination of minimal infectious dose and the effect of previous infection on infectious dose},
	journal = {The Journal of infectious diseases},
	volume = {150},
	year = {1984},
	pages = {6},
	url = {https://academic.oup.com/jid/article-abstract/150/6/858/880281},
	author = {Schiff, G M and Stefanovi{\'c}, G M and Young, E C and Sander, D S and Pennekamp, J K and Ward, R L}
}
