1008 No Increase in JC Viremia, Lymphocyte Count, or Circulating CD34+ Hematopoietic Progenitor Cells After Treatment With Vedolizumab, a Humanized Monoclonal Antibody to α4β7 IntegrinAsit Parikh, Catherine Milch, David B. Clifford et al.|Gastroenterology|2010Cited by 5