Inhibition of insulin-like growth factor I receptor increases the antitumor activity of doxorubicin and vincristine against Ewing’s sarcoma cells. - Benini,S.; Manara,M.C.; Baldini,N.; Cerisano,V.; Serra,M.; Mercuri,M.; Lollini,P-L.; Nanni,P.; Picci,P.; Scotlandi,K. (Clin Cancer Res, 2001)