Filtering by: Year 2015 Remove constraint Year: 2015 Keyword Biological measures of unprotected sex Remove constraint Keyword: Biological measures of unprotected sex Keyword Indicators of Unprotected sex Remove constraint Keyword: Indicators of Unprotected sex Keyword Validation of self-reported sexual behaviour Remove constraint Keyword: Validation of self-reported sexual behaviour Research Field Health Sciences, Epidemiology Remove constraint Research Field: Health Sciences, Epidemiology Submission Type Master's Thesis Remove constraint Submission Type: Master's Thesis