Macrocryoglobulinemia and sarcoidosis.
D001741:Black or African American; D003450:Cryoglobulins; D006801:Humans; D007122:Immunoelectrophoresis; D008259:Macroglobulins; D008297:Male; D008875:Middle Aged; D012507:Sarcoidosis / Q000150:complications*; D008258:Waldenstrom Macroglobulinemia / Q000209:etiology*
D003450:Cryoglobulins; D008259:Macroglobulins