click on news, then click on news and media coverage, the 22 march 06 article not bad either, re need for radiation treatment protection, though not totally PXL related.
If you then look at event, see that porges is presenting at Bio 2006 on 9 April...and the article i posted is for Bio 2006, hence the link up.
Bought another 50G at 40c.
Cdchi1