Angiogenesis, assessed by platelet/endothelial cell adhesion molecule antibodies, as indicator of node metastases and survival in breast cancer. - Horak,E.R.; Leek,R.; Klenk,N.; LeJeune,S.; Smith,K.; Stuart,N.; Greenall,M.; Stepniewska,K.; Harris,A.L. (Lancet, 1992)