1. Human papillomavirus prevalence in oral and oropharyngeal squamous cell carcinoma in South America
   Antônio Carlos Oliveira et al, 2022, Oncology Reviews CrossRef
2. Correlation between sampling site and prevalence of human papilloma virus (HPV) in patients with oral cancer referred to Shiraz, Iran
   Latifa Habibi et al, 2024, Oral Science International CrossRef