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Saputra BA, Widodo GG. PENGARUH TEKNIK RELAKSASI PERNAPASAN DIAFRAGMA DALAM MENURUNKAN TEKANAN DARAH PADA LANSIA DENGAN HIPERTENSI PRIMER [THE EFFECTS OF DIAPHRAGMATIC BREATHING RELAXATION TECHNIQUE ON REDUCING BLOOD PRESSURE IN ELDERLY WITH PRIMARY HYPERTENSION]. NC [Internet]. 2020 Oct. 14 [cited 2025 Nov. 20];8(1):34-46. Available from: https://ojs.uph.edu/index.php/NCJK/article/view/2718