PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 193 (xsd:integer)
nif:isString
  • Mother–child pairs were classified as “regular” or “non-regular” depending on whether or not they attended at least four visits (the median number of visits observed over the entire follow-up).
rdf:type