Links of interest IDIBAPS Group:Myeloma, amyloidosis, macroglobulinemia and other gammopathies Multiple Myeloma Community Group for the study of myeloma and amyloidosis in Catalonia American Society of Hematology Spanish Society of Hematology and Hemotherapy (SEHH) European Hematology Association (EHA) Catalan Society of Hematology and Hemotherapy Mon Clínic Pethema