Transmuscular quadratus lumborum block reduces opioid consumption and prolongs time to first opioid demand after laparoscopic nephrectomy http://orcid.org/0000-0001-6775-9677Mette Dam1, http://orcid.org/0000-0002-1719-9402Christian Hansen1, Troels Dirch Poulsen1, Nessn Htum Azawi2, Gunnar Hellmund Laier3, Morné Wolmarans4, Vincent Chan5, Thomas Fichtner Bendtsen6 and http://orcid.org/0000-0002-9839-3812Jens Børglum1,7 1Department of Anaesthesiology, Zealand University Hospital, Roskilde,...