Provision of the progestogen-only pill by community pharmacies as bridging contraception for women receiving emergency contraception: the Bridge-it RCT oleh Sharon T Cameron, Anna Glasier, Lisa McDaid, Andrew Radley, Susan Patterson, Paula Baraitser, Judith Stephenson, Richard Gilson, Claire Battison, Kathleen Cowle, Thenmalar Vadiveloo, Anne Johnstone, Alessandra Morelli, Beatriz Goulao, Mark Forrest, Alison McDonald, John Norrie