Prophylactic mesh at end-colostomy construction reduces parastomal hernia rate: a randomized trial von Lambrecht, J. R., Larsen, S. G., Reiertsen, O., Vaktskjold, A., Julsrud, L., Flatmark, K.

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Laparoscopic ventral hernia repair: outcomes in primary versus incisional hernias: no effect of defect closure von Lambrecht, J. R., Vaktskjold, A., Trondsen, E., Øyen, O. M., Reiertsen, O.

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Efficacy and safety assessment of ERCP in patients with malignant biliary obstruction von Shanmugarajah, I, Solhaug, M, Aslam, O, Reiertsen, O

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Randomized controlled trial with sequential design of laparoscopic versus conventional appendicectomy von Reiertsen, O., Larsen, S., Trondsen, E., Edwin, B., Faerden, A. E., Rosseland, A. R.

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Gut Perforation Caused by Biliary Endoprosthesis von STØRKSON, R. H, EDWIN, B, REIERTSEN, O, FAERDEN, A. E, SORTLAND, O, ROSSELAND, A. R

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Complications of Fiberoptic Gastrointestinal Endoscopy - Five Years' Experience in a Central Hospital von Reiertsen, O., Skjøtø, J., Jacobsen, C. D., Rosseland, A. R.

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Total mesorectal excision for rectal cancer : Difference in outcome for low and high rectal cancer von FAERDEN, Arne E, NAIMY, Nazir, WIIK, Pal, REIERTSEN, Ola, WEYESSA, Seyoum, TRONNES, Sigurd, ANDERSEN, Solveig Norheim, BAKKA, Arne

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Development of play-the-winner design: weighting and accumulation of information von O Reiertsen, S Larsen, J H Solhaug

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Efficacy and safety of enoxaparin versus unfractionated heparin for prevention of deep vein thrombosis in elective cancer surgery: A double-blind randomized multicentre trial with...

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Characterization of 'Winners' to Enoxaparin in the Prevention of Postoperative Venous Thromboembolism in Digestive Surgery von Reiertsen, O., Mowinckel, P., Bjerkeseth, O., Løvig, T., Thorsen, G., Gerner, T., Løtveit, T., Larsen, S.

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Comparison of Sequential and Fixed-Sample Designs in a Controlled Clinical Trial with Laparoscopic versus Conventional Cholecystectomy von Kjærsgaard, P., Reiertsen, O., Trondsen, E., Rosseland, A. R., Larsen, S.

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Safety of Enoxaparin and Dextran-70 in the Prevention of Venous Thromboembolism in Digestive Surgery: A Play-the-Winner-Designed Study von Reiertsen, O., Larsen, S., Størkson, R., Trondsen, E., Løvig, T., Andersen, O. K., Lund, H., Mowinckel, P.

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Evaluation of Enoxaparin Given before and after Operation to Prevent Venous Thromboembolism during Digestive Surgery: Play‐the‐Winner Designed Study von Bjerkeset, Ottar, Larsen, Stig, Reiertsen, Ola

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Selection criteria for endoscopic retrograde cholangiopancreaticography (ERCP) in patients with gallstone disease von Trondsen, Frik, Edwin, Bjørn, Reiertsen, Ola, Fagertun, Hans, Rosseland, Arne R.

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Diagnostic laparoscopy in 1043 patients with suspected acute appendicitis von Moberg, Ann-Cathrin, Ahlberg, Gunnar, Leijonmarck, Carl-Eric, Montgomery, Agneta, Reiertsen, Ola, Rosseland, Arne R., Stoerksson, Ragnhild

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Crown rump length: A comparison of real time scanning and conventional compound scanning. The interindividual measuring variation between two operators von Sande, H.A., Reiertsen, O.

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Evaluation of enoxaparin given before and after operation to prevent venous thromboembolism during digestive surgery : Play-the-winner designed study. Invited commentary von BJERKESET, O, LARSEN, S, REIERTSEN, O, SWEDENBORG, J, JOHNSSON, H

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Evaluation of Threatened Abortion by Human Chorionic Gonadotropin Levels and Ultrasonography von Sande, H. A., Reiertsen, O., Fønstelien, E., Torjesen, P.

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Laparoscopic and open operation in patients with perforated peptic ulcer von Næsgaard, Jens Marius, Edwin, Bjørn, Reiertsen, Ola, Trondsen, Erik, Færden, Arne E., Rosseland, Arne R.

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Prospective nonrandomized study of conventional versus laparoscopic appendectomy von Reiertsen, Ola, Trondsen, Erik, Bakka, Arne, Andersen, Ove K., Larsen, Stig, Rosseland, Arne R.

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