Efficacy of a dual-ring wound protector for prevention of incisional surgical site infection after pancreatoduodenectomy in patients with intrabiliary stents: a randomized controlled trial. (April 2017) - Bressan, A.; Aubin, J.; Martel, G.; Isherwood, S.; Dixon, E.; Bathe, O.; Sutherland, F.; Balaa, F.; Lillemoe, K.; Saeed, S.; Ball, C.