Effectiveness of Giving Loss of Rosella Tea on Decreasing Blood Pressure in Elderly Patients of Hypertension in Working Areas Puskesmas Sengkol Village Sengkol 2 District Pujut Regency of Central Lombok. J. Kesehat. Qamarul Huda [Internet]. 2019 Dec. 30 [cited 2025 Oct. 12];7(2):1-4. Available from: http://jkqh.uniqhba.ac.id/index.php/kesehatan/article/view/105