FURBERG , B.; NORDGREN , L.; TAMMIVAARA-HILTY , RITVA. P-Wave Analysis in Chronic Obstructive Lung Disease with Pulmonary Hypertension. Upsala Journal of Medical Sciences, [S. l.], v. 77, n. 3, p. 163–166, 1972. DOI: 10.1517/03009734000000024. Disponível em: https://ujms.net/index.php/ujms/article/view/7447. Acesso em: 10 nov. 2026.