RANGELIN PURBA, Rona; WAHYUNI NASUTION, Sri; WIENALDI, Wienaldi. The Effect of Laughter Therapy, a Low-Salt Diet, Exercise, and Physical Activity on Reducing Blood Pressure in Elderly Patients at the Sei Kepayang Timur Community Health Center, Asahan Regency. International Journal of Health and Pharmaceutical (IJHP), [S. l.], v. 5, n. 4, p. 990–997, 2025. DOI: 10.51601/ijhp.v5i4.502. Disponível em: https://ijhp.net/index.php/IJHP/article/view/502. Acesso em: 20 jan. 2026.