@article{e542ef30bc78435a9a6881afcff6075f,
title = "Pupil-led sex education in England (RIPPLE study): cluster-randomised intervention trial",
keywords = "Allied health professions and studies",
author = "J.M. Stephenson and V. Strange and S. Forrest and A. Oakley and A. Copas and E. Allen and A. Babiker and S. Black and M. Ali and H. Monteiro and A.M. Johnson",
year = "2004",
month = jul,
day = "24",
doi = "10.1016/S0140-6736(04)16722-6",
language = "English",
volume = "364",
pages = "338--346",
journal = "The Lancet",
issn = "0140-6736",
publisher = "Elsevier B.V.",
number = "9431",
}