Dupuytren Treatment Effectiveness Trial (DETECT): a protocol for prospective, randomised, controlled, outcome assessor-blinded, three- armed parallel 1:1:1, multicentre trial comparing the effectiveness and cost of collagenase clostridium histolyticum, percutaneous needle fasciotomy and limited fasciectomy as short-term and long-term treatment strategies in Dupuytren’s contracture - Räisänen, MP; Karjalainen, T; Göransson, H (BMJ Open, 2018)