The Difference in the Effect of Progressive Muscle Relaxation and Elderly Exercise on Blood Pressure Reduction in Elderly Hypertensive Patients. j.keterapian.fis. [Internet]. 2025 Dec. 11 [cited 2025 Dec. 14];8(1):54-60. Available from: https://jurnalketerapianfisik.com/index.php/jpt/article/view/493