Until August <a href=" http://www.shearsbybath.co.uk/how-to-take-nexium-packets.pdf ">order nexium samples online</a> In the Medical Research Council study, the mice had prion disease, similar to the human form of mad cow disease. Within eight weeks, their brains deteriorated so badly that memory and movement were noticeably affected. By the 12th week, the mice were dead.