Efek Pemberian Ekstrak Etanol Daun Binahong pada Tikus Model Gagal Ginjal Kronik Unilateral Ureteral Obstruction terhadap Aktivitas Katalase, Superoksida Dismuthase, dan Kadar Malondialdehid = The Effects of the Ethanol Extract of Binahong Leaves Administration in Chronic Kidney Failure Unilateral Ureteral Obstruction Rat Model against Catalase, Superoxide Dismuthase, and Malondialdehyde Levels.