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nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 202 (xsd:integer)
nif:isString
  • Censoring was performed for cases with incident syphilis, those referred to other hospitals, those who were lost to follow-up, or those who died, or at end of the observation period (December 31, 2015).
rdf:type