in addition , among women who tested positive for human papillomavirus ( hpv ) type 16 or 18 by filter in situ hybridization , there was an increased risk for women who had ever smoked and a dose-response relationship with the number of cigarettes smoked ( adjusted rrs compared with hpv-negative nonsmokers = 5.0 for hpv-positive nonsmokers , 5.5 for less than 10 cigarettes/day , and 8.4 for greater than or equal to 10 cigarettes/day ) .
C0999806
human papillomavirus
C0021344
hpv