@article{2954298,
    title = "Natural history of relapsed myeloma, refractory to immunomodulatory drugs and proteasome inhibitors: a multicenter IMWG study",
    author = "Kumar, SK and Dimopoulos, MA and Kastritis, Efstathios and Terpos, Evangelos and Nahi, Hareth and Goldschmidt, Hartmut and Hillengass, Jens and Leleu, Xavier and Beksac, Meral and Alsina, Melissa and others",
    journal = "Leukemia Research",
    year = "2017",
    volume = "31",
    number = "11",
    pages = "2443--2448",
    publisher = "Nature Publishing Group",
    issn = "0145-2126"
}