Iodine-123-meta-iodobenzylguanidine Myocardial Scintigraphy in Isolated Autonomic Failure: Potential Red Flag for Future Multiple System Atrophy oleh Francesca Baschieri, Giovanna Calandra-Buonaura, Giovanna Calandra-Buonaura, Annagrazia Cecere, Annagrazia Cecere, Giorgio Barletta, Giorgio Barletta, Manuela Contin, Manuela Contin, Piero Parchi, Piero Parchi, Pietro Cortelli, Pietro Cortelli