1. Antiseptic activity evaluation of piper leave from Piper betle Linn extract in hand gel antiseptic preparation 2. Effect of A retrospective study on drug interactions in Dr. Sardjito Hospital Yogyakarta 3. protein fraction of Carica papaya L. leaves on the expressions of p53 and Bcl-2 in breast cancer cells line 4. Determination of chemical structure of antioxidant compound benzophenon g…