thirty nine papillomas and 14 precancerous lesions , from skin and mucosa were studied for the presence of human papillomavirus ( hpv ) infection on frozen sections or on paraffin embedded sections by comparison of 2 methods : ( 1 ) detection of group specific viral antigen by immunohistochemical techniques with a rabbit antiserum raised to highly purified virus dissociated by sds ( sodium dodecylsulfate ) and heating : ( 2 ) detection of viral dna by an in situ molecular hybridization technique with biotinylated probes .
C0021344
human papillomavirus
C0042776
virus