Heart rate variability in children and adolescents with cerebral palsy: a systematic literature review - Gąsior, Jakub S; Zamunér, Antonio Roberto; Silva, Luiz Eduardo Virgilio da; Williams, Craig A; Baranowski, Rafał; Sacha, Jerzy; Machura, Paulina; Kochman, Wacław; Werner, Bożena (Journal of Clinical Medicine, 2020)