Efek Asam Galat, Heptil Galat dan Oktil Galat terhadap Mekanisme Regulasi Apoptosis Intrinsik Stroma Endometriosis In Vitro : Kajian Ekspresi mRNA Bax, Bcl-2, dan Caspase-3 = The Effect of Gallic Acid, Heptyl Gallate, and Octyl Gallate on Intrinsic Apoptosis of Endometriotic Stromal In Vitro : Study on Bax, Bcl-2, and Caspase-3 mRNA Expression