“The Influence of Daily Physical Activities on Blood Pressure in Elderly Patients Suffering from Treated Hypertention at Grandmed Hospital, Lubuk Pakam”. JURNAL PENGMAS KESTRA (JPK) 3, no. 1 (June 30, 2023): 20–25. Accessed December 17, 2025. https://ejournal.medistra.ac.id/index.php/JPK/article/view/1723.