Mercer, CH; Tanton, C; Prah, P; Sonnenberg, P; Field, N; Copas, AJ; Johnson, AM; ... Phelps, A; + view all Mercer, CH; Tanton, C; Prah, P; Sonnenberg, P; Field, N; Copas, AJ; Johnson, AM; Erens, B; Macdowall, W; Lewis, R; Datta, J; Wellings, K; Clifton, S; Phelps, A; - view fewer (2013) Changes in sexual attitudes and lifestyles in Britain through the life course and over time: Findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal). The Lancet , 382 (9907) 1781 - 1794. 10.1016/S0140-6736(13)62035-8.