S Jagannath, PG Richardson, B Barlogie, Berenson, S Singhal, D Irwin, G Srkalovic, DP Schenkein, DL Esseltine, KC Anderson, SUMMIT/CREST Investigators. Bortezomib in combination with dexamethasone for the treatment of patients with relapsed and/or refractory multiple myeloma with less than optimal response to bortezomib alone. Haematologica 2006;91(7):929-934; https://doi.org/10.3324/%x.