Phase II trial of erlotinib and bevacizumab in patients with advanced upper gastrointestinal cancers

Kristoffer S Rohrberg, René K Olesen, Per Pfeiffer, Morten Ladekarl, Helle Pappot, Ib J Christensen, Gunilla Høyer-Hansen, Morten Sørensen, Birgit G Skov, Ian Buysschaert, Peter Carmeliet, Ulrik Lassen