Consortium of Swiss Academic Libraries

Sample Size Matters: A Guide for Surgeons

Guller, Ulrich ; Oertli, Daniel

In: World Journal of Surgery, 2005, vol. 29, no. 5, p. 601-605

Consortium of Swiss Academic Libraries

Non-Inferiority Trials in Surgical Oncology

Fueglistaler, Philipp ; Adamina, Michel ; Guller, Ulrich

In: Annals of Surgical Oncology, 2007, vol. 14, no. 5, p. 1532-1539