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BackgroundRecently, contrast‐enhanced transcranial Doppler (cTCD) studies have shown that right‐to‐left shunt (RLS) may be a risk factor for migraine in Westerners; however, limited data in the literature describes the prevalence of RLS in Chinese patients with migraine.
ObjectiveTo assess the prevalence of RLS in patients with migraine in China and to evaluate the relationship between the extent...
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