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nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
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  • 278 (xsd:integer)
nif:isString
  • In this study, we used purchasing power parity (PPP) conversion factor to convert cost estimates reported in different currencies to US dollars, and used the consumer price index (CPI) for health care to convert cost estimates reported at different time points to the same year.
rdf:type