The role of obesity in the increased prevalence of obstructive sleep apnea syndrome in patients with polycystic ovarian syndrome The role of obesity in the increased prevalence of obstructive sleep apnea syndrome in patients with polycystic ovarian syndrome Download State dependent excitability changes of spinal flexor reflex in patients with restless legs syndrome secondary to chronic renal failure Tonsillar lymphoma as a cause of obstructive sleep apnea