"Poorly differentiated chordomas. Diagnostic utility of immunohistochemistry for brachyuyr and SMARCB1/IMI1"
Vogel H, McKenney JK, Bangs CD, Edwards MSB, Fischer PG, Callahan K, Gokden M, Mobley BC. "Poorly differentiated chordomas. Diagnostic utility of immunohistochemistry for brachyuyr and SMARCB1/IMI1". 2011.