PARULIAN DORMAIDA GULTOM; GRECH SINAGA. The Application of Progressive Muscle Relaxation Therapy on Chronic Pain in the Elderly with Hypertension: A Case Study. International Journal of Health Engineering and Technology (IJHET), [S. l.], v. 3, n. 2, 2024. DOI: 10.55227/ijhet.v3i2.220. Disponível em: https://afdifaljournal.com/journal/index.php/ijhet/article/view/220. Acesso em: 2 oct. 2024.