Pre-operative intradermal administration of CpG-B ± GM-CSF in stage I-III melanoma patients arms the sentinel lymph node: evidence for reduced tumor spread ============================================================================================================================================================ * Mari F van den Hout * Bas D Koster * Rik J Scheper * Rieneke van de Ven * Berbel J Sluijter * Barbara G Molenkamp * Alfons J van den Eertwegh * Paul A van Leeuwen * Petrousjka M van den Tol * Tanja D de Gruijl