Multicentre, randomised trial comparing acellular porcine collagen implant versus gluteus maximus myocutaneous flap for reconstruction of the pelvic floor after extended abdominoperineal excision of rectum: study protocol for the Nordic Extended Abdominoperineal Excision (NEAPE) study.
Martin RutegårdJörgen RutegårdMarkku M HaapamäkiPublished in: BMJ open (2019)
NCT01347697; Pre-results.