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Katz DA, Aufderheide TP, Bogner M, Rahko PR, Brown RL, Brown LM, Prekker ME, Selker HP.Katz DA, et al. Among authors: selker hp.Med Decis Making. 2006 Nov-Dec;26(6):606-16. doi: 10.1177/0272989X06295358.Med Decis Making. 2006.PMID: 17099199Clinical Trial.