Immune response to the West Nile virus in aged non-human primates. oleh Anne M Wertheimer, Jennifer L Uhrlaub, Alec Hirsch, Guruprasad Medigeshi, Jerald Sprague, Alfred Legasse, Jennifer Wilk, Clayton A Wiley, Peter Didier, Robert B Tesh, Kristy O Murray, Michael K Axthelm, Scott W Wong, Janko Nikolich-Žugich