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1 A survey on the appropriate level of premiums for National Health Insurance
Geum Ja Im, Sun Mi Lim, Kwan Jun Park, Yoon Hyung Park
J Korean Med Assoc.2013;56(4):326-335.   Published online 2013 April 18     DOI: http://dx.doi.org/10.5124/jkma.2013.56.4.326
      

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