The Efectiveness of Mckenzie Exercise in Reducing Pain Among Patients with Low Back Pain in Grandmed hospital Lubuk Pakam. JURNAL KEPERAWATAN DAN FISIOTERAPI (JKF), [S. l.], v. 9, n. 1, p. 80–86, 2026. DOI: 10.35451/jkf.v9i1.3875. Disponível em: https://ejournal.medistra.ac.id/index.php/JKF/article/view/3875. Acesso em: 30 oct. 2026.