EGFR 18 Humans 18 human 18 epidermal growth factor receptor 13 EGFR protein, human 12 genetics 12 ErbB Receptors 11 Protein Kinase Inhibitors 9 protein kinase inhibitor 9 Article 8 Cell Line, Tumor 8 Lung Neoplasms 8 lung tumor 8 pathology 8 tumor cell line 8 Carcinoma, Non-Small-Cell Lung 7 Mutation 7 metabolism 7 mutation 7 non small cell lung cancer 7 controlled study 6 female 6 Aged 5 Female 5 NSCLC 5 aged 5 male 5 Male 4 Retrospective Studies 4 adult 4