The Positive Choices trial: update to study protocol for a phase-III RCT trial of a whole-school social-marketing intervention to promote sexual health and reduce health inequaliti...

Por Ruth Ponsford, Rebecca Meiksin, Elizabeth Allen, G. J. Melendez-Torres, Steve Morris, Catherine Mercer, Rona Campbell, Honor Young, Maria Lohan, Karin Coyle, Chris Bonell
Publicado em 2022-04-01