Cellular proliferation by multiplex immunohistochemistry identifies aggressive disease behavior in relapsed multiple myeloma. Issue 8 (3rd July 2019) - Forsberg, Peter A.; Hammes, Andrew; Abbott, Diana; Sherbenou, Daniel W.; Rossi, Adriana; Jayabalan, David; Niesvizky, Ruben; Mark, Tomer M.; Ely, Scott