Distribution of genotypes in physician- and self-collected, HPV-positive specimens. Superscript numbers: 1, ocogenic types include those classified as possibly carcinogenic, including HPV-26, -53, and -66; 2, ononcogenic types include those whose carcinogenic potential is undetermined, such as HPV-83; 3, unclassified specimens are HPV-positive specimens that were not positive for any of the 37 genotypes detected by the Roche assay.