Cohort of salivary rinses from 132 subjects: 61 healthy volunteers and 71 patients with HNSCCThe methylation status of 2 selected genes (EDNRB and KIF1A) in 15 normal mucosa samples from a healthy group and 101 HNSCC tumors from HNSCC individuals were collected before therapyBisulfite modification and quantitative methylation-specific PCR (Q-MSP). This evidence concerns the gene EDNRB and head and neck squamous cell carcinoma.