Cognitive effects of anodal transcranial direct current stimulation and high-dose cocoa flavonoids on an acutely sleep-deprived, highly educated population: a proposed single-center, phase II, randomized, placebo-controlled, double-blind, factorial study. Principles and Practice of Clinical Research, [S. l.], v. 4, n. 1, p. 27–35, 2018. Disponível em: https://journal.ppcr.org/index.php/ppcrjournal/article/view/63.. Acesso em: 25 jun. 2024.