Potential source of cerebral embolism in migraine with aura: a transcranial Doppler study.
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D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006801:Humans; D020766:Intracranial Embolism / Q000000981:diagnostic imaging*; D008881:Migraine Disorders / Q000000981:diagnostic imaging*; D012307:Risk Factors; D017585:Ultrasonography, Doppler, Transcranial; D014636:Valsalva Maneuver / Q000502:physiology