The accuracy of reported sensitive sexual behaviour in Britain: exploring the extent of change 1990–2000
A J Copas, K Wellings, B Erens, C H Mercer, S McManus, K A Fenton, C Korovessis, W Macdowall, K Nanchahal, A M Johnson
Sexually Transmitted Infections Feb 2002, 78 (1) 26-30; DOI: 10.1136/sti.78.1.26