Fig. 3From: Absence of high-risk HPV 16 and 18 in Chinese patients with oral squamous cell carcinoma and oral potentially malignant disordersAmplification curves for HPV16 and HPV 18 with real-time PCR. a Detection of HPV16 E6 in tissue samples; b Detection of HPV16 E6 in serum samples; c Detection of HPV18 E6 in tissue samples; d Detection of HPV18 E6 in serum samplesBack to article page