Platelet-derived growth factor-AA-mediated functional angiogenesis in the rat epigastric island flap after genetic modification of fibroblasts is ischemia dependent. - Machens,H.G.; Morgan,J.R.; Berthiaume,F.; Stefanovich,P.; Siemers,F.; Krapohl,B.; Berger,A.; Mailänder,P. (Surgery, 2002)