@article {heg72,
	title = {Relation between Naturally Acquired Immunity and Infectivity of Two Rhinoviruses in Volunteers},
	journal = {Journal of Infectious Diseases},
	volume = {125},
	year = {1972},
	pages = {3},
	author = {Hendley, J O and Edmondson, W P and Gwaltney, J M}
}
