Minimal-invasive versus open hepatectomy for colorectal liver metastases: Bicentric analysis of postoperative outcomes and long-term survivals using propensity score matching analysis. - Andreou, A.; Beldi, G.; Knitter, S.; Kradolfer, D.; Candinas, D.; Pratschke, J.; Schmelzle, M. (HPB (1365-182X), 2020)