Oliveira, Marcelo Olímpio de, Ana Caroline Simões da Silva, Fernanda dos Santos Lima, and Adriana Sanches Garcia-Araujo. “Response of Heart Rate Variability After Postural Change and Its Relationship With Determinants of Frailty in Hospitalized Older Adults”. ABCS Health Sciences 51 (March 24, 2026): e026207. Accessed March 28, 2026. https://nepas.emnuvens.com.br/abcshs/article/view/2977.