CXCL family-related classification predicts prognosis and response to immunotherapy in patients with head and neck squamous cell carcinoma based on TCGA and GEO databases

Shun Gao, Xuemei Tang, Chao Gao, Xinrui Gao, Xuanzhu Guo, Yuyao Luo, Sijie Li, Guotao Gong, Yan Zhang, Sheng Lin