Methodology of the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3)
Bob Erens, Andrew Phelps, Soazig Clifton, Catherine H Mercer, Clare Tanton, David Hussey, Pam Sonnenberg, Wendy Macdowall, Nigel Field, Jessica Datta, Kirstin Mitchell, Andrew J Copas, Kaye Wellings, Anne M Johnson
Sexually Transmitted Infections Mar 2014, 90 (2) 84-89; DOI: 10.1136/sextrans-2013-051359