publication venue for Primary Care Physicians' Adherence to Expert Recommendations for Cervical Cancer Screening and Prevention in the Context of Human Papillomavirus Vaccination.. 43:438-444. 2016 Biomarker validation of recent unprotected sexual intercourse in a prospective study of young women engaged in sex work in Phnom Penh, Cambodia.. 40:462-468. 2013 Young women engaged in sex work in Phnom Penh, Cambodia, have high incidence of HIV and sexually transmitted infections, and amphetamine-type stimulant use: new challenges to HIV prevention and risk.. 38:33-39. 2011 Sexual risk behaviors and sexually transmitted infection prevalence in an outpatient psychiatry clinic.. 35:877-882. 2008