AXL 1 Cell Line, Tumor 1 Cetuximab 1 Drug Resistance, Neoplasm 1 ErbB Receptors 1 HER3 1 Head and Neck Neoplasms 1 Head and neck cancer 1 Humans 1 Proto-Oncogene Proteins 1 Receptor Protein-Tyrosine Kinases 1 Resistance 1 cetuximab 1 drug resistance 1 epidermal growth factor receptor 1 genetics 1 head and neck tumor 1 human 1 metabolism 1 neuregulin1 oncoprotein 1 protein tyrosine kinase 1 tumor cell line 1