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Lua i Stíl Chicago (17ú heag.)Syrjanen, Kari J. Human Papillomavirus (HPV) Involvement in Esophageal Carcinogenesis. New York: Nova Biomedical Books, 2010.
Lua MLA (9ú heag.)Syrjanen, Kari J. Human Papillomavirus (HPV) Involvement in Esophageal Carcinogenesis. Nova Biomedical Books, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.