Can We Increase the Resection Rate by Minimally Invasive Approach? Experience from 100 Minimally Invasive Esophagectomies

by Olli Helminen, Johanna Mrena, Eero Sihvo
Published 2019-01-01

Cost-analysis and effectiveness of one-stage laparoscopic versus two-stage endolaparoscopic management of cholecystocholedocholithiasis: a retrospective cohort study

by Anne Mattila, Johanna Mrena, Ilmo Kellokumpu
Published 2017-07-01

Immune Cell Infiltrate and Prognosis in Gastric Cancer

by Niko Kemi, Niko Hiltunen, Juha P. Väyrynen, Vesa-Matti Pohjanen, Olli Helminen, Anna Junttila, Johanna Mrena, Jan Böhm, Heikki Huhta, Joni Leppänen, Tuomo J. Karttunen, Joonas H. Kauppila
Published 2020-12-01