@misc{915,
  author = {RL Atmar and AR Opekun and MA Gilger and MK Estes and SE Crawford and FH Neill},
  title = {Determination of the 50% Human Infectious Dose for Norwalk Virus. Journal of Infectious Diseases},
  year = {2014},
  url = {https://www.ncbi.nlm.nih.gov/pubmed/24253285},
  language = {eng},
}