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Phang, Zi Hao, Xue Yi Saw, Noreen Fadzlina Binti Mat Nor, Zolqarnain Bin Ahmad, και Sa’adon Bin Ibrahim. "Rare Case of Neglected Large Sacral Chordoma in a Young Female Treated By Wide En Bloc Resection and Sacrectomy." BMC Cancer 2018.

Phang, Zi Hao, et al. "Rare Case of Neglected Large Sacral Chordoma in a Young Female Treated By Wide En Bloc Resection and Sacrectomy." BMC Cancer 2018.