PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 234 (xsd:integer)
nif:isString
  • Studies were excluded if: (1) the diagnosis was unclear; (2) the study did not contain sufficient data for extraction; (3) the study design was based on case, family or sibling pairs; or (4) no control group was included in the study.
rdf:type