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Navaie-Waliser M, Spriggs A, Feldman PH.Navaie-Waliser M, et al. Among authors: feldman ph.Med Care. 2002 Dec;40(12):1249-59. doi: 10.1097/01.MLR.0000036408.76220.1F.Med Care. 2002.PMID: 12458306