title: Letter by Mahagne et al regarding article, "Embolic strokes of undetermined source in the athens stroke registry: a descriptive analysis".
authors: Stroke Unit, University Hospital of Nice, Nice, France.
authors: Marie-Hélène
authors: MH
authors: Mahagne
authors: Stroke Unit, University Hospital of Nice, Nice, France.
authors: Sylvain
authors: S
authors: Lachaud
authors: Stroke Unit, University Hospital of Nice, Nice, France.
authors: Laurent
authors: L
authors: Suissa
mesh_terms: D001281:Atrial Fibrillation / Q000150:complications*; D020520:Brain Infarction / Q000209:etiology*; D005260:Female; D006801:Humans; D020766:Intracranial Embolism / Q000209:etiology*; D008297:Male; D012042:Registries