Wulandari, N.P.D. and Lestari, N.K.N. 2026. The Effect of Slow Deep Breathing Combined with Classical Music on Anxiety in Elderly Patients with Diabetes Mellitus: A Gerontological Nursing Case Study. Bali Medical and Wellness Journal. 3, 1 (May 2026). DOI:https://doi.org/10.71341/bmwj.v3i1.54.