The Influence Of Balloon Blowing Practice On Respiration Rate And Oxygen Saturation In Asthma Patients In Grandmed Hospital  Lubuk Pakam. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF), [S. l.], v. 8, n. 2, p. 400–405, 2026. DOI: 10.35451/a9p5rd68. Disponível em: https://ejournal.medistra.ac.id/index.php/JKF/article/view/3509. Acesso em: 28 apr. 2026.