Here is a recent article on the combination of Vertex drugs. <a href="<A HREF="http://www.firstwordplus.com/Fws.do?articleid=F52E69FB8FC84FD1B75AC68F8837784F">http://www.firstwordplus.com/Fws.do?articleid=F52E69FB8FC84FD1B75AC68F8837784F</A>"><A HREF="http://www.firstwordplus.com/Fws.do?articleid=F52E69FB8FC84FD1B75AC68F8837784F">http://www.firstwordplus.com/Fws.do?articleid=F52E69FB8FC84FD1B75AC68F8837784F</A></a>