1. Cancer statistics, 2021;Siegel;CA Cancer J. Clin.,2021
2. Clinical utility of cytokeratins as tumor markers;Barak;Clin. Biochem.,2004
3. Theory and Practice of Histological Techniques;Bancroft,2008
4. Past, present and future: Overview on histology and histopathology;Musumeci;J. Histol. Histopathol.,2014
5. Application of immunohistochemistry in undifferentiated neoplasms: A practical approach;Kandukuri;Arch. Pathol. Lab. Med.,2017