KALK study: ultrasound guided needling and lavage (barbotage) with steroid injection versus sham barbotage with and without steroid injection - protocol for a randomized, double-blinded, controlled, multicenter study.
Stefan MoosmayerOle Marius EkebergHanna Bjørnsson HallgrenIngar HeierSynnøve KvalheimJesper BlomquistAre Hugo PrippNils Gunnar JuelStein Harald KjellevoldJens Ivar Broxnull nullPublished in: BMC musculoskeletal disorders (2017)
ClinicalTrials.gov: NCT02419040 , registered 10 April 2015 EudraCT: 2015-002343-34, registered 23 September 2015 (retrospectively registered).