Pragmatic cluster randomised cohort cross-over trial to determine the effectiveness of bridging from emergency to regular contraception: the Bridge-It study protocol
Sharon Tracey Cameron, Paula Baraitser, Anna Glasier, Lisa McDaid, John Norrie, Andrew Radley, Judith M Stephenson, James Trussell, Claire Battison, Sarah Cameron, Kathleen Cowle, Mark Forrest, Richard Gilson, Beatriz Goulao, Anne Johnstone, Alison McDonald, Alessandra Morelli, Susan Patterson, Deirdre Sally, Nicola Stewart
BMJ Open Oct 2019, 9 (10) e029978; DOI: 10.1136/bmjopen-2019-029978