Simamora, Lasria, Srilina Br.Pinem, and Nurhamida Fithri. 2021. “The Effectiveness Of Celery Juice To Reduce Blood Pressure On Elderly With Hypertension In The Simalingkar Health Center”. Journal of Health (JoH) 8 (2), 67-74. https://doi.org/10.30590/joh.v8n2.p67-74.2021.