VEGF guides angiogenic sprouting utilizing endothelial tip cell filopodia Gerhardt, H.; Golding, M.; Fruttiger, M.; Ruhrberg, C.; Lundkvist, r.; Abramsson, A.; Jeltsch, M.; Mitchell, C.; Alitalo, K.; Shima, D.; Betsholtz, C. , J Cell Biol, Volume 161, Issue 6, Deparrment of Medical Biochemistry, University of Goteborg, Medicinaregatan 9A, Box 440, SE 405 30 Goteborg, Sweden, p.1163-77, (2003) Abstract