title: [Pseudothrombocytopenia caused by low molecular weight IgM in rheumatoid arthritis: a case report].
mesh_terms: D000368:Aged; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D004492:Edetic Acid; D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D008970:Molecular Weight; D010976:Platelet Count; D012217:Rheumatoid Factor / Q000032:analysis; D013921:Thrombocytopenia / Q000209:etiology*
chemical_list: D007075:Immunoglobulin M; D012217:Rheumatoid Factor; D004492:Edetic Acid