Under the scheme, Russia would further enrich the uranium to the 20 per cent purity needed for use in a research reactor in Tehran which produces medical isotopes but is running out of fuel.

VOA: standard.2009.10.24

"We are,as you may expect, encouraged by these results and look forward to undertaking further research to understand what it means, why the vaccine regimen was effective in some volunteers and how we might build upon these results in our collective research,".

VOA: standard.2009.10.20