Rury Armayni Siregar, Andri Mardia & Dairion Gatot. “THE EFFECT OF OPHIOCEPHALUS STRIATUS EXTRACT ON SERUM LEPTIN LEVEL OF CANCER CACHEXIA PATIENTS”. International Journal of Research Science and Management, vol. 8, no. 1, Jan. 2021, pp. 1-7, http://ijrsm.com/index.php/journal-ijrsm/article/view/19.