Concomitant intraperitoneal and systemic chemotherapy in patients with extensive peritoneal carcinomatosis of colorectal origin: Clinical trial protocol of the INTERACT trial. Issue 2 (February 2019) - de Boer, N.; Brandt, A.; van Meerten, E.; Mathijssen, R.; Madsen, E.; de Hingh, I.; Verhoef, C.; Burger, P.