title: Can follow-up study questions about correct and consistent condom use reduce respondent over-reporting among groups at high risk? An analysis of datasets from six countries.
authors.affiliation: Population Services International, 1120 19th Street, NW, Suite 600, Washington, DC 20036, USA. varjalipovsek@yahoo.com.
authors.forename: Varja
authors.initials: V
authors.lastname: Lipovsek
authors.forename: Kim
authors.initials: K
authors.lastname: Longfield
authors.forename: Justin
authors.initials: J
authors.lastname: Buszin