S. Larsen

Randomized controlled trial with sequential design of laparoscopic versus conventional appendicectomy

B. Edwin, O. Reiertsen, A. Faerden, 1997, The British journal of surgery.

Prophylactic mesh at end‐colostomy construction reduces parastomal hernia rate: a randomized trial

K. Flatmark, O. Reiertsen, A. Vaktskjold, 2015, Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland.

Prospective nonrandomized study of conventional versus laparoscopic appendectomy

O. Reiertsen, A. Bakka, A. Rosseland, 1994, World Journal of Surgery.

Safety of enoxaparin and dextran-70 in the prevention of venous thromboembolism in digestive surgery. A play-the-winner-designed study.

P. Mowinckel, O. Reiertsen, T. Løvig, 1993, Scandinavian journal of gastroenterology.

Comparison of sequential and fixed-sample designs in a controlled clinical trial with laparoscopic versus conventional cholecystectomy.

O. Reiertsen, A. Rosseland, P. Kjaersgaard, 1994, Scandinavian journal of gastroenterology.

Development of play-the-winner design: weighting and accumulation of information.

O. Reiertsen, J. Solhaug, S. Larsen, 1998, Scandinavian journal of clinical and laboratory investigation.