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Etzioni RD, Feuer EJ, Sullivan SD, Lin D, Hu C, Ramsey SD.Etzioni RD, et al. Among authors: ramsey sd.J Health Econ. 1999 Jun;18(3):365-80. doi: 10.1016/s0167-6296(98)00056-3.J Health Econ. 1999.PMID: 10537900