Potential risk of progressive multifocal leukoencephalopathy with natalizumab therapy: Possible interventions

Olaf Stuve, Christina M. Marra, Petra D. Cravens, Mahendra P. Singh, Wei Hu, Amy Lovett-Racke, Nancy L Monson, J. Theodore Phillips, Jan W. Cohen Tervaert, Richard A. Nash, Hans Peter Hartung, Bernd C. Kieseier, Michael M. Racke, Elliot Frohman, Bernhard Hemmer