The Sigma-trial protocol: a prospective double-blind multi-centre comparison of laparoscopic versus open elective sigmoid resection in patients with symptomatic diverticulitis

by Klarenbeek, Bastiaan R, Veenhof, Alexander AFA, de Lange, Elly SM, Bemelman, Willem A, Bergamaschi, Roberto, Heres, Piet, Lacy, Antonio M, van den Broek, Wim T, van der Peet, Donald L, Cuesta, Miguel A
Published 2007