Syafardi, D.I., Siregar, H.S., Kaban, Y.B. and Ardiansyah, E. 2019. The Comparison of Er α Expression Between Endometriosis with No Endometriosis. Sumatera Medical Journal. 2, 1 (Jan. 2019), 15 - 21. DOI:https://doi.org/10.32734/sumej.v2i1.714.