Fig. 1From: EGFR as a biomarker of smoking status and survival in oropharyngeal squamous cell carcinomaExpression of EGFR in head and neck squamous cell carcinoma cell lines. Droplet digital PCR normalized with EEF2 levels is shown for EGFR (black) and CDKN2A (grey) in several head and neck squamous carcinoma cell linesBack to article page