@inbook {480, title = {VEGF Receptors}, booktitle = {Sigma-RBI Handbook of Receptor Classification and Signal Transduction}, year = {2006}, publisher = {Sigma}, organization = {Sigma}, edition = {5.}, url = {http://www.sigmaaldrich.com/technical-documents/articles/biology/rbi-handbook.html}, author = {Jeltsch, Michael and Alitalo, Kari} }