Study in Activity Combination of Physalis angulata and Hibiscus sabdariffa in 70% Ethanol Extract to Decrease Blood Sugar Levels and Histopathology of Pancreas Langerhans Island in Alloxan Induced Diabetic Rats In Proceedings of the 1st Muhammadiyah International Conference on Health and Pharmaceutical Development MICH-PhD - Volume 1, 117-122, 2018 , East Jakarta, Indonesia