T O Cheng. Show Affiliations »
Abstract
Entities: Disease
Mesh: See more » Heart Septal Defects, Atrial/diagnostic imagingHumansIntracranial Embolism/diagnostic imagingMigraine Disorders/diagnostic imagingRisk FactorsUltrasonography, Doppler, TranscranialValsalva Maneuver/physiology
Year: 1999 PMID: 10599818 DOI: 10.1212/wnl.53.9.2211-a
Source DB: PubMed Journal: Neurology ISSN: 0028-3878 Impact factor: 9.910