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.
作者信息
Lipovsek Varja, Longfield Kim, Buszin Justin
机构信息
Population Services International, 1120 19th Street, NW, Suite 600, Washington, DC 20036, USA.
出版信息
Reprod Health. 2010 Jun 11;7:9. doi: 10.1186/1742-4755-7-9.