S. Supari, “Lowering blood pressure effect of <em>Apium graviolens</em> (<em>seledri</em>) and <em>Orthosipleon stamineus benth</em> (<em>kumis kucing</em&gt;) in mild and moderate hypertension”, Med J Indones, vol. 11, no. 4, pp. 195-202, Nov. 2002.