Kawiyana, Ketut Siki, Henry Ricardo Handoyo, I Gede Eka Wiratnaya, I Ketut Suyasa, and K. G. Mulyadi Ridia. 2017. “High Expression Levels of Bone Morphogenetic Protein-2 and P-Glycoprotein Related With Progressivity in Patient With Osteosarcoma”. International Journal of Research in Medical Sciences 4 (6):2006-10. https://doi.org/10.18203/2320-6012.ijrms20161750.