Utomo, D.N. and Yusbida, A. 2019. CYTOTOXIC EFFECT OF FREEZE DRIED BOVINE CARTILAGE POWDER AND PLATELET RICH PLASMA (PRP) TO MESENCHYMAL STEM CELL (MSCs). Journal Orthopaedi and Traumatology Surabaya. 6, 2 (Dec. 2019), 63–70. DOI:https://doi.org/10.20473/joints.v6i2.2017.63-70.