Betel Leaf Extract (Piper betle L.) Antihyperuricemia Effect Decreases Oxidative Stress by Reducing the Level of MDA and Increase Blood SOD Levels of Hyperuricemia Wistar Rats (Rattus norvegicus) - Sumarya, I M.; Doctoral Program in Medical Science of Postgraduate Program of Udayana University, Bali, Indonesia (BALI MEDICAL JOURNAL, 2016)