Nikulás Sigfússon

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Thyroid abnormalities are common in all populations, but it is difficult to compare results of epidemiological studies, because different methods have been used for evaluation. We studied the(More)
Several studies have explored a possible association between migraine and hypertension, with contradictory results. Because of this uncertainty the relation between blood pressure (BP) and migraine(More)
OBJECTIVES We sought to evaluate the prognostic value and clinical characteristics associated with electrocardiographic (ECG) ST-T changes among men without other manifestations of coronary heart(More)
This is the first large survey carried out in Iceland to estimate the prevalence and incidence of known and unknown non-insulin-dependent (Type 2) diabetes (NIDDM) among males and females, aged(More)