Hüttner, Felix J. ; Bruckner, Tom ; Alldinger, Ingo ; Hennes, Roland ; Ulrich, Alexis ; Büchler, Markus W. ; Diener, Markus K. ; Knebel, Phillip (2015) Frequency of pneumothorax and haemothorax after primary open versus closed implantation strategies for insertion of a totally implantable venous access port in oncological patients: study protocol for a randomised controlled trial. Trials, 16 (128). pp. 1-10. ISSN 1468-6694