THE EFFECT OF FINGER GRIP THERAPY ON BLOOD PRESSURE CHANGES IN HYPERTENSION PATIENTS AT IMELDA HOSPITAL INDONESIA WORKERS (IPI) MEDAN. IJNMS [Internet]. 2023 Apr. 30 [cited 2025 Jul. 11];7(1):45-9. Available from: https://ijnms.net/index.php/ijnms/article/view/442