- Login
- Register & Subscribe
- Language: EN FR DE
There has been a recent surge in new confirmed cases of progressive multifocal leukoencephalopathy (PML) associated with the multiple sclerosis drug, Tysabri (natalizumab), with the 24th case reported to the EMEA on 25 October.
United Kingdom
Monday May 6 2013
Monday May 6 2013
Monday May 6 2013
Monday May 6 2013
Monday May 6 2013