%0 Journal Article %T Modeling and Management of Variation in the Operating Rooms Helps to Improve Patient Outcome %A Pieter S. Stepaniak %J Polish Journal of Surgery %D 2012 %I Versita %R 10.2478/v10035-012-0010-7 %U http://versita.metapress.com/content/p42710254m4v7708/?p=834a59101d7d4c5ea78ac8ea3324229b&pi=0