local immunocompetent cell infiltrates in 263 cervical punch biopsies of women followed-up since 1981 ( 16 +/- 14 months , m +/- sd ) for an established human papillomavirus ( hpv ) lesion with or without concomitant cervical intra-epithelial neoplasia ( cin ) were analysed for presence of human natural killer ( nk ) cells , defined by the monoclonal antibody hnk-1 ( leu-7 ) using the avidin-biotin peroxidase complex ( abc ) technique .
C0086418
human
C0027021
peroxidase