PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A pilot chart review conducted in preparation to conduct this study revealed that other covariates known to be associated with PID such as number of sexual partners, condom use, history of sexually transmitted infections, marital status, and parity8 were not consistently available in patient records.
http://www.w3.org/ns/prov#wasQuotedFrom
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