OptiBreech collaborative care versus standard care for women with a breech-presenting fetus at term: A pilot parallel group randomised trial to evaluate the feasibility of a randomised trial nested within a cohort. - Walker, Shawn; Spillane, Emma; Stringer, Kate; Trepte, Lauren; Davies, Siân M.; Bresson, Jacana; Sandall, Jane; Shennan, Andrew (PLoS ONE, 2023)