O Costa

Clinical improvement in patients with orthostatic intolerance after treatment with bisoprolol and fludrocortisone

João Freitas, Rosa Vilares Santos, Elsa Azevedo et al. · Clinical Autonomic Research · 2000 · 78 citations

Drug Intolerance, Orthostatic Intolerance, Medicine +5

Circadian heart rate variability rhythm in shift workers

João Freitas, P.J.A. Lago, J Puig et al. · Journal of Electrocardiology · 1997 · 52 citations

Sleep, Autonomic System, Alertness +8

Spectral analysis of heart rate variability in athletes.

J Puig, João Freitas, Carvalho Mj et al. · PubMed · 1993 · 50 citations

Physical Activity, High Frequency, Electrophysiological Evaluation +16

Heart rate variability in brain death

João Freitas, J Puig, Ana Paula Rocha et al. · Clinical Autonomic Research · 1996 · 30 citations

Electrophysiological Evaluation, Heart Failure, Autonomic System +10

Does Night Training Load Affect Sleep Patterns and Nocturnal Cardiac Autonomic Activity in High-Level Female Soccer Players?

Júlio A. Costa, João Brito, Fábio Yuzo Nakamura et al. · International Journal of Sports Physiology and Performance · 2018 · 28 citations