title: Immunological abnormalities in myelofibrosis.
mesh_terms: D000368:Aged; D000974:Antibodies, Antinuclear / Q000032:analysis; D000936:Antigen-Antibody Complex / Q000276:immunology*; D001168:Arthritis / Q000209:etiology / Q000276:immunology; D003167:Complement Activation; D003165:Complement System Proteins / Q000276:immunology*; D004893:Erythema Nodosum / Q000209:etiology / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D055728:Primary Myelofibrosis / Q000150:complications / Q000276:immunology*
chemical_list: D000974:Antibodies, Antinuclear; D000936:Antigen-Antibody Complex; D003165:Complement System Proteins