A randomised placebo-controlled trial of the effectiveness of early metformin in addition to usual care in the reduction of gestational diabetes mellitus effects (EMERGE): study protocol. - Dunne, F.; Newman, C.; Devane, D.; Smyth, A.; Alvarez-Iglesias, A.; Gillespie, P.; Browne, M.; O'Donnell, M. (Trials, 2022)