title: Treatment of relapsed and refractory multiple myeloma.
authors.affiliation: University Hospital Rotterdam, The Netherlands p.sonneveld@erasmusmc.nl.
authors.forename: Pieter
authors.initials: P
authors.lastname: Sonneveld
authors.affiliation: ErasmusMC Cancer Institute, The Netherlands.
authors.forename: Annemiek
authors.initials: A
authors.lastname: Broijl
keywords: chemotherapy; immunotherapy; multiple myeloma; relapse