Anti-angiogenesis papers, in the same issue of Nature, from Genentech and Regeneron. Both papers looking at Dll-4. <A HREF="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=17183323&query_hl=10&itool=pubmed_docsum" target="_blank">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&l...</A> <A HREF="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=17183313&query_hl=10&itool=pubmed_docsum" target="_blank">http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&l...</A> biophud