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  • 0 (xsd:integer)
nif:broaderContext
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  • 236 (xsd:integer)
nif:isString
  • An inclusive string of MeSH and free terms (Text S1) was developed to query PubMed/MEDLINE, EMBASE, and the Cochrane Library contents for secondary research reports published from 1997 up to 2007 with no restrictions placed on language.
rdf:type