Fig. 1From: Salivary DNA methylation panel to diagnose HPV-positive and HPV-negative head and neck cancersA six-point standard curve spiking of positive cell line, HeLa in oral adenosquamous cell carcinoma, CAL27 of a RASSF1α, b p16INK4a, c TIMP3, d PCQAP 5′ and e PCQAP 3′Back to article page