https://ashpublications.org/blood/article/136/Supplement%201/30/470863/Whimsical-Waldenstrom-s-Macroglobulinemia-Study
https://journals.lww.com/hemasphere/abstract/2019/06001/pf495_whimsical__waldenstr_m_s_macroglobulinemia.394.aspx
https://pubmed.ncbi.nlm.nih.gov/33755232/