A multicentre randomised controlled trial to evaluate the efficacy, morbidity and functional outcome of endoscopic transanal proctectomy versus laparoscopic proctectomy for low-lyi... oleh Bernard Lelong, Cécile de Chaisemartin, Helene Meillat, Sandra Cournier, Jean Marie Boher, Dominique Genre, Mehdi Karoui, Jean Jacques Tuech, Jean Robert Delpero, the French Research Group of Rectal Cancer Surgery (GRECCAR)