%0 Journal Article %T Determination of the 50 Human Infectious Dose for Norwalk Virus %A Atmar, Robert L. %A Opekun, Antone R. %A Gilger, Mark A. %A Estes, Mary K. %A Crawford, Sue E. %A Neill, Frederick H. %A Ramani, Sasirekha %A Hill, Heather %A Ferreira, Jennifer %A Graham, David Y. %J Journal of Infectious Diseases %V 209 %N 7 %P 1016-1022 %@ 0022-1899 %D 2014-04-01 %I Oxford University Press %~ DeepDyve