@article{3165959, title = "PDL1-expressing circulating tumor cells (CTCs) in head and neck squamous cell carcinoma (HNSCC).", author = "Koutsodontis, George and Strati, Areti and Avgeris, Margaritis and and Maratou, Eirini and Ramfidis, Vassilios and Konstantinidis, George and and Economopoulou, Panagiota and Kotsantis, Giannis and Tsigaridas, Kostas and and Vagia, Elena Mihal and Haralambakis, Nick and Sasaki, Clarence and and Scorilas, Andreas and Perisanidis, Christos and Vasilakopoulou, Maria and and Strimpakos, Alexios and Lianidou, Evi and Psyrri, Amanda", journal = "World Journal of Clinical Oncology", year = "2015", volume = "33", number = "15, S", publisher = "AMER SOC CLINICAL ONCOLOGY 2318 MILL ROAD, STE 800, ALEXANDRIA, VA 22314 USA", doi = "10.1200/jco.2015.33.15_suppl.6018" }