1.  Renton said it would take several years of tests before treatments could be marketed, if the therapy proves effective at all.

2.  Under the terms of the agreement, Sanofi has the rights to market the treatment globally except in North America and Japan, the German drugmaker said.

3.  It would take many years of expensive research and development before others could market rival treatments as effective as Viagra.

4.  The six-month flea treatment can be marketed in Austria, France, Germany, Ireland, Italy, Portugal, Belgium, the Netherlands and Luxembourg.