Tumour targeting of humanised cross-linked divalent-Fab' antibody fragments: a clinical phase I/II study. - Casey,J.L.; Napier,M.P.; King,D.J.; Pedley,R.B.; Chaplin,L.C.; Weir,N.; Skelton,L.; Green,A.J.; Hope-Stone,L.D.; Yarranton,G.T.; Begent,R.H. (Br J Cancer, 2002)