Association between hypotension during 24 h ambulatory blood pressure monitoring and reflex syncope: the SynABPM 1 study. - Rivasi G; Groppelli A; Brignole M; Soranna D; Zambon A; Bilo G; Pengo M; Sharad B; Hamrefors V; Rafanelli M; Testa GD; Rice C; et al. (European heart journal, 2022)