Gubanova E, Brown B, Ivanov SV, Helleday T, Mills GB, Yarbrough WG, Issaeva N. Downregulation of SMG-1 in HPV-positive head and neck squamous cell carcinoma due to promoter hypermethylation correlates with improved survival. Clin Cancer Res. 2012 Mar 01;18(5):1257–67. PMID: 22247495; PMCID: PMC4010255.