HARMOKO, Afandi Dwi; SULASTOMO, Heru. Lewis Lead: Reveal the Hidden P Wave. Indonesian Journal of Cardiology, [S. l.], v. 42, n. 4, p. 137–142, 2022. DOI: 10.30701/ijc.1165. Disponível em: http://ijconline.id/index.php/ijc/article/view/1165. Acesso em: 22 oct. 2026.