Vascular endothelial growth factor receptor-1 contributes to resistance to anti-epidermal growth factor receptor drugs in human cancer cells. door Bianco, R, Rosa, R, Damiano, V, Daniele, G, Gelardi, T, Garofalo, S, Tarallo, V, De Falco, S, Melisi, D, Benelli, R, Albini, A, Ryan, A, Ciardiello, F, Tortora, G