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This article may be downloaded for personal use only. Any other use requires prior permission of Cambridge University Press. This work was published in International Journal of Technology Assessment in Health Care, 20, (2), 2004 p.128-144 published by Cambridge University Press and can be found at Cambridge Journals online http://dx.doi.org/10.1017/S0266462304000911
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Copyright (2004) Cambridge University Press
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journal article
Source
International Journal of Technology Assessment in Health Care, 20(2): 128-144