Secret powers of frogs help heal human scars | Science | The Observer
<BR><A href='http://www.guardian.co.uk/science/2007/nov/18/drugs.medicalresearch?gusrc=rss&feed=science'>http://www.guardian.co.uk/science/2007/nov/18/drugs.medicalresearch?gusrc=rss&feed=science</a> 
<BR>