ZLATKOVA, Katya; KERSON , Cynthia; SHERMAN, Richard; BENDINSKAS, Kestutis. The Effects of Alpha-Theta EEG Biofeedback Training on Anxiety and Stress: Novel Use of Hair Cortisol Concentration as a Biomarker . NeuroRegulation, [S. l.], v. 13, n. 3, p. 220, 2026. DOI: 10.15540/nr.13.3.220. Disponível em: https://www.neuroregulation.org/article/view/23594. Acesso em: 28 sep. 2026.