PT - JOURNAL ARTICLE ED - , TI - Young women’s risk of first HPV infection was high and increased when the first male partner was sexually experienced AID - 10.1136/ebm.13.4.121 DP - 2008 Aug 01 TA - Evidence Based Medicine PG - 121--121 VI - 13 IP - 4 4099 - http://ebm.bmj.com/content/13/4/121.short 4100 - http://ebm.bmj.com/content/13/4/121.full SO - Evid Based Med2008 Aug 01; 13