levels of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in women with fibromyalgia
syndrome (FMS). Serum levels of IL-6 and TNF-α were measured at 4 h intervals of the day
in 50 women with FMS satisfying American College of Rheumatology criteria for FMS (age
36.68±9.89) as well as 50 healthy control women (age 32.82±10.53). Serum TNF-α levels
were substantially increased in patients with FMS but showed no circadian variation. In …