Figure 3From: Human papillomavirus detection in moroccan patients with nasopharyngeal carcinomaExample of hybridization photo illustrating HPV typing. Positive PCR products were hybridized with WD126 probe specific to HPV 31. Lanes 1, 4 and 5 correspond to HPV 31 positive cases, whereas the others (2, 3, 6 and 7) correspond to HPV 31 negative cases. C+: Positive control (HPV 31 DNA isolated from cervical cancer specimen), C-: negative control (sterile distilled water).Back to article page