Denig, Petra The effect of a patient-oriented treatment decision aid for risk factor management in patients with diabetes (PORTDA-diab): study protocol for a randomised controlled trial. [electronic resource] - Trials Nov 2012 - 219 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1745-6215 Standard No.: 10.1186/1745-6215-13-219 doi Subjects--Topical Terms: AdultDecision MakingDiabetes Complications--epidemiologyDiabetes Mellitus, Type 2--epidemiologyFemaleHumansMaleNetherlandsPatient Participation--methodsPatient-Centered Care--methodsResearch DesignRisk AdjustmentRisk Factors