Perbandingan efek pemberian deksametason, ondansetron, dan kombinasi deksametason + ondansetron dalam mengurangi mual dan muntah paska laparoskopi sterilisasi = Comparation of the effect of dexamethasone, ondansetron, and combination of dexamethasone + ondansetron in preventing post operative nausea and vomiting after laparoscopy sterilization