Assessing Autonomic Nervous System Imbalance in Post-COVID-19 Patients Through Heart Rate Variability During Tilt Testing. - Samuel M. Camargo; Beatriz M. Silva; Matheus W. U. Pereira; Ana L. G. dos Santos; Stella T. Maximo; William Tsutomu Watanabe; José Luis Puglisi; Daniel Gustavo Goroso (CinC, 2023)