High-dose metformin (420mg/kg daily p.o.) increases insulin sensitivity but does not affect neointimal thickness in the rat carotid balloon injury model of restenosis. - Guo J; Pereira TJ; Dalvi P; Yeung LSN; Swain N; Breen DM; Lam L; Dolinsky VW; Giacca A (Metabolism: clinical and experimental, 2017)