Atrial natriuretic peptide can be biomarker for predicting atrial fibrillation in embolic stroke of undetermined source. - Kobayashi Y; Yuzawa C; Kurashina M; Kasuga K; Hanaoka Y; Shimizu Y; Sato A; Hongo K; Ueno Y; Sekijima Y (Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2026)