Pomalidomide in lenalidomide-refractory multiple myeloma: far from futile (vol 188, pg 483, 2020) - Mo; Richardson; San-Miguel, J.; Weisel, K.; Moreau, P.; Lacy, M.; Song, K.; Delforge, M.; Karlin, L.; Goldschmidt, H.; Banos, A.; Oriol, A.; et al. (British Journal Of Haematology, 2020)