Peng, K., Y. Wang, J. Zhu, C. Li, and Z. Wang. “Repair of Non-Traumatic Femoral Head Necrosis by marrow core Decompression With Bone Grafting and Porous Tantalum Rod Implantation”. Pakistan Journal of Medical Sciences, Vol. 36, no. 6, Aug. 2020, doi:10.12669/pjms.36.6.2176.