7O'Keeffe ST. Ekbom'syndrome. Muscle Nerve,1995,18:478.
8Ekbom KA. Restless legs syndtome. Neurology, 1960,10:868-873.
9Manconi M, De Vito A, Economou NT, et al. Restless leg syndrome in pregnancy: preliminary epidemiological results in 130 women. J Sleep Res, 2002,11:145.
10Manconi M, Govoni V, De Vito A, et al. Pregnancy as a risk factor for restless legs syndrome. Sleep Med 2004, 5(3):305-308.