Effectiveness of venous transillumination on peripheral venous line placement in emergency departments patients with difficult vascular access: a multicentre cluster-randomised trial. - Simon M; Staszewski C; Luette S; Quignard C; Moitrier T; Ficher-Faivre B; Matagne AL; Goudot B; Luc A; Adam I; Duchanois C; Jaeger D; et al. (European journal of emergency medicine : official journal of the European Society for Emergency Medicine, 2026)