TY - JOUR T1 - Tired, aching, ANA-positive: Does your patient have lupus or fibromyalgia? JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 143 LP - 152 VL - 69 IS - 2 AU - David E. Blumenthal Y1 - 2002/02/01 UR - http://www.ccjm.org/content/69/2/143.abstract N2 - The symptoms of fibromyalgia and lupus can be similar, but the treatments are very different. Although the antinuclear antibody (ANA) test has often been used to make the distinction, this approach has its pitfalls. This paper offers strategies for more accurate diagnosis. ER -