The hyperviscosity syndrome.
D000328:Adult; D000368:Aged; D001796:Blood Protein Disorders / Q000097:blood; D001809:Blood Viscosity; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011086:Polycythemia / Q000097:blood; D013922:Thrombocytosis / Q000097:blood