References

1. Layfield L, Bedrossian C, Crim J, Palombini L. 2012. Musculoskeletal Cytohistology. Cambridge University Press. Chapter 12, Small Round Cell Neoplasms; p.252.
2. Rosenberg A, Skapek S, Hawkins D. The Inconvenience of Convenience Cohorts: Rhabdomyosarcoma and the PAX-FOXO1 Biomarker. Cancer Epidemiol Biomarkers Prev. 2012 Jul; 21(7):1012-1018.
3. Bahrami A, Truong L, Ro J. Undifferentiated Tumor: True Identity by Immunohistochemistry. Arch Pathol Lab Med. 2008; 132: 326-348.
4. Lin F, Liu H. Immunohistochemistry in Undifferentiated Neoplasm/Tumor of Uncertain Origin. Arch Pathol Lab Med. 2014; 138: 1585.