RT Journal Article SR Electronic T1 IgM monoclonal gammopathy JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 217 OP 235 VO 43 IS 4 A1 Tubbs, Raymond R. A1 Hoffman, George C. A1 Deodhar, Sharad D. A1 Hewlett, James S. YR 1976 UL http://www.ccjm.org/content/43/4/217.abstract AB