219 monoclonal gammapathies have been studied since 1rst january 1973 up to 31st december 1975 , regarding 121 males and 98 females , 121 myeloma ( mean age : 66 years ) , 38 waldenstrom 's macroglobulinemia ( mean age : 7u years ) and 60 various monoclonal gammapathies , among which 19 benign monoclonal gammapathies ( mean age : 73 years ) .
C0024419
waldenstrom 's macroglobulinemia
C1136085
monoclonal gammapathies